211210212112102 has 32 divisors (see below), whose sum is σ = 362349891316224. Its totient is φ = 90449865000000.

The previous prime is 211210212112049. The next prime is 211210212112103. The reversal of 211210212112102 is 201211212012112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211210212112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210212112103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193896477 + ... + 194982727.

It is an arithmetic number, because the mean of its divisors is an integer number (11323434103632).

Almost surely, 2^{211210212112102} is an apocalyptic number.

211210212112102 is a deficient number, since it is larger than the sum of its proper divisors (151139679204122).

211210212112102 is a wasteful number, since it uses less digits than its factorization.

211210212112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096804.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211210212112102 its reverse (201211212012112), we get a palindrome (412421424124214).

The spelling of 211210212112102 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twelve million, one hundred twelve thousand, one hundred two".