212210120022102 has 24 divisors (see below), whose sum is σ = 472215312122736. Its totient is φ = 68824903790736.

The previous prime is 212210120022091. The next prime is 212210120022151. The reversal of 212210120022102 is 201220021012212.

It is a happy number.

212210120022102 is a `hidden beast` number, since 21 + 221 + 0 + 1 + 200 + 221 + 0 + 2 = 666.

It is a super-2 number, since 2×212210120022102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159316906258 + ... + 159316907589.

It is an arithmetic number, because the mean of its divisors is an integer number (19675638005114).

Almost surely, 2^{212210120022102} is an apocalyptic number.

212210120022102 is an abundant number, since it is smaller than the sum of its proper divisors (260005192100634).

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

212210120022102 is a wasteful number, since it uses less digits than its factorization.

212210120022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318633813892 (or 318633813889 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212210120022102 its reverse (201220021012212), we get a palindrome (413430141034314).

The spelling of 212210120022102 in words is "two hundred twelve trillion, two hundred ten billion, one hundred twenty million, twenty-two thousand, one hundred two".