311102201121 has 16 divisors (see below), whose sum is σ = 437757153600. Its totient is φ = 195980482368.

The previous prime is 311102201119. The next prime is 311102201129. The reversal of 311102201121 is 121102201113.

It is not a de Polignac number, because 311102201121 - 2¹ = 311102201119 is a prime.

It is a super-2 number, since 2×311102201121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311102201121.

It is not an unprimeable number, because it can be changed into a prime (311102201129) 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, 6993166 + ... + 7037511.

It is an arithmetic number, because the mean of its divisors is an integer number (27359822100).

Almost surely, 2^311102201121 is an apocalyptic number.

It is an amenable number.

311102201121 is a deficient number, since it is larger than the sum of its proper divisors (126654952479).

311102201121 is a wasteful number, since it uses less digits than its factorization.

311102201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031088.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 311102201121 its reverse (121102201113), we get a palindrome (432204402234).

The spelling of 311102201121 in words is "three hundred eleven billion, one hundred two million, two hundred one thousand, one hundred twenty-one".