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22120022201010 = 235171941311917851
BaseRepresentation
bin1010000011110001110000…
…00100001101001010110010
32220022122122101020220011220
411001320320010031022302
510344403301140413020
6115013444203245510
74442055525266226
oct501707004151262
986278571226156
1022120022201010
117059059956988
122593012819896
13c45ba8506656
14566886d92786
152855d4c52240
hex141e3810d2b2

22120022201010 has 256 divisors, whose sum is σ = 60635331993600. Its totient is φ = 5129284608000.

The previous prime is 22120022200999. The next prime is 22120022201063. The reversal of 22120022201010 is 1010222002122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1239138585 + ... + 1239156435.

It is an arithmetic number, because the mean of its divisors is an integer number (236856765600).

Almost surely, 222120022201010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22120022201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30317665996800).

22120022201010 is an abundant number, since it is smaller than the sum of its proper divisors (38515309792590).

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

22120022201010 is a wasteful number, since it uses less digits than its factorization.

22120022201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21057.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120022201010 its reverse (1010222002122), we get a palindrome (23130244203132).

The spelling of 22120022201010 in words is "twenty-two trillion, one hundred twenty billion, twenty-two million, two hundred one thousand, ten".