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2101010022100 = 2252111910009111
BaseRepresentation
bin11110100100101101111…
…101001011111011010100
321102212002000000122001201
4132210231331023323110
5233410332031201400
64245105104202244
7304535662345303
oct36445575137324
97385060018051
102101010022100
117400404254a0
1229b234009384
131231803ac912
1473991b0a43a
15399bac2806a
hex1e92df4bed4

2101010022100 has 36 divisors (see below), whose sum is σ = 4973663727648. Its totient is φ = 764003644000.

The previous prime is 2101010022077. The next prime is 2101010022101. The reversal of 2101010022100 is 12200101012.

It is a super-2 number, since 2×21010100221002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101010022101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955003456 + ... + 955005655.

It is an arithmetic number, because the mean of its divisors is an integer number (138157325768).

Almost surely, 22101010022100 is an apocalyptic number.

2101010022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101010022100 is an abundant number, since it is smaller than the sum of its proper divisors (2872653705548).

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

2101010022100 is a wasteful number, since it uses less digits than its factorization.

2101010022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910009136 (or 1910009129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101010022100 its reverse (12200101012), we get a palindrome (2113210123112).

The spelling of 2101010022100 in words is "two trillion, one hundred one billion, ten million, twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 1910009111 3820018222 7640036444 9550045555 19100091110 21010100221 38200182220 42020200442 47750227775 84040400884 95500455550 105050501105 191000911100 210101002210 420202004420 525252505525 1050505011050 2101010022100