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22101211022100 = 223527229359144413
BaseRepresentation
bin1010000011001110101101…
…10101010000001100010100
32220020212002101200222212220
411001213112311100030110
510344101240010201400
6115001053422342340
74440521420021100
oct501472665201424
986225071628786
1022101211022100
117051086498831
12258b442a2a9b0
13c4419b20ab62
145659c092a900
15284d835647a0
hex1419d6d50314

22101211022100 has 432 divisors, whose sum is σ = 77166292291200. Its totient is φ = 4863888583680.

The previous prime is 22101211022069. The next prime is 22101211022101. The reversal of 22101211022100 is 122011210122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22101211022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101211022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 152969494 + ... + 153113906.

It is an arithmetic number, because the mean of its divisors is an integer number (178625676600).

Almost surely, 222101211022100 is an apocalyptic number.

22101211022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22101211022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38583146145600).

22101211022100 is an abundant number, since it is smaller than the sum of its proper divisors (55065081269100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101211022100 is a wasteful number, since it uses less digits than its factorization.

22101211022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144832 (or 144818 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22101211022100 its reverse (122011210122), we get a palindrome (22223222232222).

The spelling of 22101211022100 in words is "twenty-two trillion, one hundred one billion, two hundred eleven million, twenty-two thousand, one hundred".