212210110221102 has 96 divisors (see below), whose sum is σ = 526627229087232. Its totient is φ = 60498305877312.

The previous prime is 212210110220989. The next prime is 212210110221341. The reversal of 212210110221102 is 201122011012212.

212210110221102 is a `hidden beast` number, since 21 + 2 + 210 + 110 + 221 + 102 = 666.

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 47 ways as a sum of consecutive naturals, for example, 231965728 + ... + 232878764.

It is an arithmetic number, because the mean of its divisors is an integer number (5485700302992).

Almost surely, 2^{212210110221102} is an apocalyptic number.

212210110221102 is an abundant number, since it is smaller than the sum of its proper divisors (314417118866130).

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

212210110221102 is a wasteful number, since it uses less digits than its factorization.

212210110221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917102 (or 917099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212210110221102 its reverse (201122011012212), we get a palindrome (413332121233314).

The spelling of 212210110221102 in words is "two hundred twelve trillion, two hundred ten billion, one hundred ten million, two hundred twenty-one thousand, one hundred two".