212210221002102 has 24 divisors (see below), whose sum is σ = 459789093083736. Its totient is φ = 70736697116736.

The previous prime is 212210221002023. The next prime is 212210221002161. The reversal of 212210221002102 is 201200122012212.

It is a happy number.

212210221002102 is a `hidden beast` number, since 21 + 2 + 210 + 221 + 0 + 0 + 210 + 2 = 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 11 ways as a sum of consecutive naturals, for example, 42921193 + ... + 47609339.

It is an arithmetic number, because the mean of its divisors is an integer number (19157878878489).

Almost surely, 2^{212210221002102} is an apocalyptic number.

212210221002102 is an abundant number, since it is smaller than the sum of its proper divisors (247578872081634).

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

212210221002102 is a wasteful number, since it uses less digits than its factorization.

212210221002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202892 (or 7202889 counting only the distinct ones).

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

Adding to 212210221002102 its reverse (201200122012212), we get a palindrome (413410343014314).

The spelling of 212210221002102 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty-one million, two thousand, one hundred two".