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10221222102 = 23713193137859
BaseRepresentation
bin10011000010011101…
…10111100011010110
3222101100000212210120
421201032313203112
5131413113101402
64410124132410
7511201645230
oct114116674326
928340025716
1010221222102
1143756824a3
121b93097106
13c6b795220
146cd6ab250
153ec50a3bc
hex2613b78d6

10221222102 has 256 divisors, whose sum is σ = 28110028800. Its totient is φ = 2401850880.

The previous prime is 10221222101. The next prime is 10221222113. The reversal of 10221222102 is 20122212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221222101) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11898549 + ... + 11899407.

It is an arithmetic number, because the mean of its divisors is an integer number (109804800).

Almost surely, 210221222102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221222102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14055014400).

10221222102 is an abundant number, since it is smaller than the sum of its proper divisors (17888806698).

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

10221222102 is a wasteful number, since it uses less digits than its factorization.

10221222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

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

Adding to 10221222102 its reverse (20122212201), we get a palindrome (30343434303).

Subtracting 10221222102 from its reverse (20122212201), we obtain a palindrome (9900990099).

The spelling of 10221222102 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".