2131111012202 has 32 divisors (see below), whose sum is σ = 3478284830592. Its totient is φ = 975348831744.

The previous prime is 2131111012193. The next prime is 2131111012207. The reversal of 2131111012202 is 2022101111312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2131111012207) 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, 2787398 + ... + 3468689.

It is an arithmetic number, because the mean of its divisors is an integer number (108696400956).

Almost surely, 2^{2131111012202} is an apocalyptic number.

2131111012202 is a deficient number, since it is larger than the sum of its proper divisors (1347173818390).

2131111012202 is a wasteful number, since it uses less digits than its factorization.

2131111012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256382.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2131111012202 its reverse (2022101111312), we get a palindrome (4153212123514).

The spelling of 2131111012202 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, twelve thousand, two hundred two".