210211122022102 has 4 divisors (see below), whose sum is σ = 315316683033156. Its totient is φ = 105105561011050.

The previous prime is 210211122021991. The next prime is 210211122022123. The reversal of 210211122022102 is 201220221112012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210211122022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52552780505524 + ... + 52552780505527.

It is an arithmetic number, because the mean of its divisors is an integer number (78829170758289).

Almost surely, 2^{210211122022102} is an apocalyptic number.

210211122022102 is a deficient number, since it is larger than the sum of its proper divisors (105105561011054).

210211122022102 is a wasteful number, since it uses less digits than its factorization.

210211122022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105105561011053.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210211122022102 its reverse (201220221112012), we get a palindrome (411431343134114).

The spelling of 210211122022102 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twenty-two million, twenty-two thousand, one hundred two".