2131020122 has 32 divisors (see below), whose sum is σ = 4016701440. Its totient is φ = 823722480.

The previous prime is 2131020061. The next prime is 2131020169. The reversal of 2131020122 is 2210201312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2131020097 and 2131020106.

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, 34922 + ... + 74037.

It is an arithmetic number, because the mean of its divisors is an integer number (125521920).

Almost surely, 2^2131020122 is an apocalyptic number.

2131020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2131020122 is a deficient number, since it is larger than the sum of its proper divisors (1885681318).

2131020122 is a wasteful number, since it uses less digits than its factorization.

2131020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109106.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2131020122 is about 46162.9734960823. The cubic root of 2131020122 is about 1286.8537234940.

Adding to 2131020122 its reverse (2210201312), we get a palindrome (4341221434).

The spelling of 2131020122 in words is "two billion, one hundred thirty-one million, twenty thousand, one hundred twenty-two".