22100202102 has 64 divisors (see below), whose sum is σ = 49303987200. Its totient is φ = 6546631680.

The previous prime is 22100202097. The next prime is 22100202133. The reversal of 22100202102 is 20120200122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2877924 + ... + 2885592.

It is an arithmetic number, because the mean of its divisors is an integer number (770374800).

Almost surely, 2^22100202102 is an apocalyptic number.

22100202102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100202102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24651993600).

22100202102 is an abundant number, since it is smaller than the sum of its proper divisors (27203785098).

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

22100202102 is a wasteful number, since it uses less digits than its factorization.

22100202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22100202102 its reverse (20120200122), we get a palindrome (42220402224).

It can be divided in two parts, 2210020 and 2102, that added together give a palindrome (2212122).

The spelling of 22100202102 in words is "twenty-two billion, one hundred million, two hundred two thousand, one hundred two".