201121102021102 has 32 divisors (see below), whose sum is σ = 315016211208384. Its totient is φ = 96224882073600.

The previous prime is 201121102021097. The next prime is 201121102021157. The reversal of 201121102021102 is 201120201121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88371223 + ... + 90618514.

It is an arithmetic number, because the mean of its divisors is an integer number (9844256600262).

Almost surely, 2^{201121102021102} is an apocalyptic number.

201121102021102 is a deficient number, since it is larger than the sum of its proper divisors (113895109187282).

201121102021102 is a wasteful number, since it uses less digits than its factorization.

201121102021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178990044.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201121102021102 its reverse (201120201121102), we get a palindrome (402241303142204).

The spelling of 201121102021102 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred two million, twenty-one thousand, one hundred two".