201121022222102 has 24 divisors (see below), whose sum is σ = 337338301724040. Its totient is φ = 89663861295360.

The previous prime is 201121022222101. The next prime is 201121022222293. The reversal of 201121022222102 is 201222220121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121022222101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9156837599 + ... + 9156859562.

It is an arithmetic number, because the mean of its divisors is an integer number (14055762571835).

Almost surely, 2^{201121022222102} is an apocalyptic number.

201121022222102 is a deficient number, since it is larger than the sum of its proper divisors (136217279501938).

201121022222102 is a wasteful number, since it uses less digits than its factorization.

201121022222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313697216 (or 18313697199 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201121022222102 its reverse (201222220121102), we get a palindrome (402343242343204).

The spelling of 201121022222102 in words is "two hundred one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, one hundred two".