21122000211102 has 48 divisors (see below), whose sum is σ = 49973878091520. Its totient is φ = 5932571482992.

The previous prime is 21122000211071. The next prime is 21122000211121. The reversal of 21122000211102 is 20111200022112.

It is a super-2 number, since 2×21122000211102² (a number of 27 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 23 ways as a sum of consecutive naturals, for example, 608826198 + ... + 608860889.

It is an arithmetic number, because the mean of its divisors is an integer number (1041122460240).

Almost surely, 2^{21122000211102} is an apocalyptic number.

21122000211102 is an abundant number, since it is smaller than the sum of its proper divisors (28851877880418).

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

21122000211102 is a wasteful number, since it uses less digits than its factorization.

21122000211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217687165 (or 1217687158 counting only the distinct ones).

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

Adding to 21122000211102 its reverse (20111200022112), we get a palindrome (41233200233214).

The spelling of 21122000211102 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred eleven thousand, one hundred two".