3111221131202 has 32 divisors (see below), whose sum is σ = 4725799848000. Its totient is φ = 1536106638528.

The previous prime is 3111221131199. The next prime is 3111221131231. The reversal of 3111221131202 is 2021311221113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36842924 + ... + 36927272.

It is an arithmetic number, because the mean of its divisors is an integer number (147681245250).

Almost surely, 2^{3111221131202} is an apocalyptic number.

3111221131202 is a deficient number, since it is larger than the sum of its proper divisors (1614578716798).

3111221131202 is a wasteful number, since it uses less digits than its factorization.

3111221131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85250.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 3111221131202 its reverse (2021311221113), we get a palindrome (5132532352315).

It can be divided in two parts, 3111221 and 131202, that added together give a palindrome (3242423).

The spelling of 3111221131202 in words is "three trillion, one hundred eleven billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred two".