201121131233210 has 32 divisors (see below), whose sum is σ = 365840723394432. Its totient is φ = 79600282476480.

The previous prime is 201121131233203. The next prime is 201121131233213. The reversal of 201121131233210 is 12332131121102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201121131233213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81028121 + ... + 83473340.

It is an arithmetic number, because the mean of its divisors is an integer number (11432522606076).

Almost surely, 2^{201121131233210} is an apocalyptic number.

201121131233210 is a deficient number, since it is larger than the sum of its proper divisors (164719592161222).

201121131233210 is a wasteful number, since it uses less digits than its factorization.

201121131233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164502758.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 201121131233210 its reverse (12332131121102), we get a palindrome (213453262354312).

The spelling of 201121131233210 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred ten".