201121120102 has 64 divisors (see below), whose sum is σ = 360671201280. Its totient is φ = 82290910464.

The previous prime is 201121120099. The next prime is 201121120141. The reversal of 201121120102 is 201021121102.

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, 31067538 + ... + 31074010.

It is an arithmetic number, because the mean of its divisors is an integer number (5635487520).

Almost surely, 2^201121120102 is an apocalyptic number.

201121120102 is a deficient number, since it is larger than the sum of its proper divisors (159550081178).

201121120102 is a wasteful number, since it uses less digits than its factorization.

201121120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201121120102 its reverse (201021121102), we get a palindrome (402142241204).

The spelling of 201121120102 in words is "two hundred one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred two".