212211212102 has 32 divisors (see below), whose sum is σ = 334849987584. Its totient is φ = 100764518400.

The previous prime is 212211212099. The next prime is 212211212111. The reversal of 212211212102 is 201212112212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359702 + ... + 744182.

It is an arithmetic number, because the mean of its divisors is an integer number (10464062112).

Almost surely, 2^212211212102 is an apocalyptic number.

212211212102 is a deficient number, since it is larger than the sum of its proper divisors (122638775482).

212211212102 is a wasteful number, since it uses less digits than its factorization.

212211212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384704.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212211212102 its reverse (201212112212), we get a palindrome (413423324314).

The spelling of 212211212102 in words is "two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred two".