1031231121122 has 16 divisors (see below), whose sum is σ = 1568087999232. Its totient is φ = 508535586720.

The previous prime is 1031231121079. The next prime is 1031231121181. The reversal of 1031231121122 is 2211211321301.

It is a junction number, because it is equal to n+sod(n) for n = 1031231121094 and 1031231121103.

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, 5144663 + ... + 5341349.

It is an arithmetic number, because the mean of its divisors is an integer number (98005499952).

Almost surely, 2^{1031231121122} is an apocalyptic number.

1031231121122 is a deficient number, since it is larger than the sum of its proper divisors (536856878110).

1031231121122 is a wasteful number, since it uses less digits than its factorization.

1031231121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232673.

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

Adding to 1031231121122 its reverse (2211211321301), we get a palindrome (3242442442423).

The spelling of 1031231121122 in words is "one trillion, thirty-one billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-two".