202011112121102 has 16 divisors (see below), whose sum is σ = 304564313243520. Its totient is φ = 100489706324448.

The previous prime is 202011112121081. The next prime is 202011112121153. The reversal of 202011112121102 is 201121211110202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4699028 + ... + 20642264.

It is an arithmetic number, because the mean of its divisors is an integer number (19035269577720).

Almost surely, 2^{202011112121102} is an apocalyptic number.

202011112121102 is a deficient number, since it is larger than the sum of its proper divisors (102553201122418).

202011112121102 is a wasteful number, since it uses less digits than its factorization.

202011112121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975595.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202011112121102 its reverse (201121211110202), we get a palindrome (403132323231304).

The spelling of 202011112121102 in words is "two hundred two trillion, eleven billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".