211102200021012 has 12 divisors (see below), whose sum is σ = 492571800049056. Its totient is φ = 70367400007000.

The previous prime is 211102200020983. The next prime is 211102200021043. The reversal of 211102200021012 is 210120002201112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×211102200021012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211102200020982 and 211102200021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8795925000864 + ... + 8795925000887.

It is an arithmetic number, because the mean of its divisors is an integer number (41047650004088).

Almost surely, 2^{211102200021012} is an apocalyptic number.

It is an amenable number.

211102200021012 is an abundant number, since it is smaller than the sum of its proper divisors (281469600028044).

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

211102200021012 is a wasteful number, since it uses less digits than its factorization.

211102200021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17591850001758 (or 17591850001756 counting only the distinct ones).

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

Adding to 211102200021012 its reverse (210120002201112), we get a palindrome (421222202222124).

The spelling of 211102200021012 in words is "two hundred eleven trillion, one hundred two billion, two hundred million, twenty-one thousand, twelve".