22221110100102 has 32 divisors (see below), whose sum is σ = 45643987963392. Its totient is φ = 7206747570144.

The previous prime is 22221110100041. The next prime is 22221110100113. The reversal of 22221110100102 is 20100101112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16482513 + ... + 17779635.

It is an arithmetic number, because the mean of its divisors is an integer number (1426374623856).

Almost surely, 2^{22221110100102} is an apocalyptic number.

22221110100102 is an abundant number, since it is smaller than the sum of its proper divisors (23422877863290).

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

22221110100102 is a wasteful number, since it uses less digits than its factorization.

22221110100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374332.

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

Adding to 22221110100102 its reverse (20100101112222), we get a palindrome (42321211212324).

The spelling of 22221110100102 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred ten million, one hundred thousand, one hundred two".