21102011011122 has 32 divisors (see below), whose sum is σ = 44039417057280. Its totient is φ = 6728110575120.

The previous prime is 21102011011027. The next prime is 21102011011157. The reversal of 21102011011122 is 22111011020112.

It is a happy 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, 14250847 + ... + 15661757.

It is an arithmetic number, because the mean of its divisors is an integer number (1376231783040).

Almost surely, 2^{21102011011122} is an apocalyptic number.

21102011011122 is an abundant number, since it is smaller than the sum of its proper divisors (22937406046158).

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

21102011011122 is a wasteful number, since it uses less digits than its factorization.

21102011011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519318.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 21102011011122 its reverse (22111011020112), we get a palindrome (43213022031234).

The spelling of 21102011011122 in words is "twenty-one trillion, one hundred two billion, eleven million, eleven thousand, one hundred twenty-two".