211202122012102 has 64 divisors (see below), whose sum is σ = 362097460771200. Its totient is φ = 91526594734080.

The previous prime is 211202122012097. The next prime is 211202122012117. The reversal of 211202122012102 is 201210221202112.

It is a super-2 number, since 2×211202122012102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211202122012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2442701152 + ... + 2442787612.

It is an arithmetic number, because the mean of its divisors is an integer number (5657772824550).

Almost surely, 2^{211202122012102} is an apocalyptic number.

211202122012102 is a deficient number, since it is larger than the sum of its proper divisors (150895338759098).

211202122012102 is a wasteful number, since it uses less digits than its factorization.

211202122012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99521.

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

Adding to 211202122012102 its reverse (201210221202112), we get a palindrome (412412343214214).

The spelling of 211202122012102 in words is "two hundred eleven trillion, two hundred two billion, one hundred twenty-two million, twelve thousand, one hundred two".