22101210102 has 16 divisors (see below), whose sum is σ = 44320929840. Its totient is φ = 7347318432.

The previous prime is 22101210101. The next prime is 22101210143. The reversal of 22101210102 is 20101210122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101210101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4935477 + ... + 4939952.

It is an arithmetic number, because the mean of its divisors is an integer number (2770058115).

Almost surely, 2^22101210102 is an apocalyptic number.

22101210102 is an abundant number, since it is smaller than the sum of its proper divisors (22219719738).

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

22101210102 is a wasteful number, since it uses less digits than its factorization.

22101210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875807.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22101210102 its reverse (20101210122), we get a palindrome (42202420224).

The spelling of 22101210102 in words is "twenty-two billion, one hundred one million, two hundred ten thousand, one hundred two".