213122011102 has 96 divisors (see below), whose sum is σ = 437268313440. Its totient is φ = 76580824320.

The previous prime is 213122011087. The next prime is 213122011127. The reversal of 213122011102 is 201110221312.

It is a super-2 number, since 2×213122011102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17889924 + ... + 17901832.

It is an arithmetic number, because the mean of its divisors is an integer number (4554878265).

Almost surely, 2^213122011102 is an apocalyptic number.

213122011102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213122011102 is an abundant number, since it is smaller than the sum of its proper divisors (224146302338).

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

213122011102 is a wasteful number, since it uses less digits than its factorization.

213122011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226 (or 13219 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213122011102 its reverse (201110221312), we get a palindrome (414232232414).

The spelling of 213122011102 in words is "two hundred thirteen billion, one hundred twenty-two million, eleven thousand, one hundred two".