202120211201122 has 16 divisors (see below), whose sum is σ = 321083891646912. Its totient is φ = 95223409039440.

The previous prime is 202120211201107. The next prime is 202120211201141. The reversal of 202120211201122 is 221102112021202.

It is a self number, because there is not a number n which added to its sum of digits gives 202120211201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32790427029 + ... + 32790433192.

It is an arithmetic number, because the mean of its divisors is an integer number (20067743227932).

Almost surely, 2^{202120211201122} is an apocalyptic number.

202120211201122 is a deficient number, since it is larger than the sum of its proper divisors (118963680445790).

202120211201122 is a wasteful number, since it uses less digits than its factorization.

202120211201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65580860313.

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

Adding to 202120211201122 its reverse (221102112021202), we get a palindrome (423222323222324).

The spelling of 202120211201122 in words is "two hundred two trillion, one hundred twenty billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".