2131203103122 has 32 divisors (see below), whose sum is σ = 4281011811648. Its totient is φ = 707300545536.

The previous prime is 2131203103093. The next prime is 2131203103151. The reversal of 2131203103122 is 2213013021312.

It is an interprime number because it is at equal distance from previous prime (2131203103093) and next prime (2131203103151).

It is a super-2 number, since 2×2131203103122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22366593 + ... + 22461675.

It is an arithmetic number, because the mean of its divisors is an integer number (133781619114).

Almost surely, 2^{2131203103122} is an apocalyptic number.

2131203103122 is an abundant number, since it is smaller than the sum of its proper divisors (2149808708526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131203103122 is a wasteful number, since it uses less digits than its factorization.

2131203103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111354.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131203103122 its reverse (2213013021312), we get a palindrome (4344216124434).

The spelling of 2131203103122 in words is "two trillion, one hundred thirty-one billion, two hundred three million, one hundred three thousand, one hundred twenty-two".