1031011223122 has 16 divisors (see below), whose sum is σ = 1547403911640. Its totient is φ = 515209984128.

The previous prime is 1031011223111. The next prime is 1031011223161. The reversal of 1031011223122 is 2213221101301.

It can be written as a sum of positive squares in 4 ways, for example, as 843313459041 + 187697764081 = 918321^2 + 433241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1031011223122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65507238 + ... + 65522974.

Almost surely, 2^{1031011223122} is an apocalyptic number.

1031011223122 is a deficient number, since it is larger than the sum of its proper divisors (516392688518).

1031011223122 is a wasteful number, since it uses less digits than its factorization.

1031011223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32445.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1031011223122 its reverse (2213221101301), we get a palindrome (3244232324423).

It can be divided in two parts, 1031011223 and 122, that added together give a triangular number (1031011345 = T₄₅₄₀₉).

The spelling of 1031011223122 in words is "one trillion, thirty-one billion, eleven million, two hundred twenty-three thousand, one hundred twenty-two".