1123020031102 has 16 divisors (see below), whose sum is σ = 1757972990592. Its totient is φ = 537034659480.

The previous prime is 1123020031069. The next prime is 1123020031117. The reversal of 1123020031102 is 2011300203211.

It is a super-2 number, since 2×1123020031102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001424 + ... + 1802467.

It is an arithmetic number, because the mean of its divisors is an integer number (109873311912).

Almost surely, 2^{1123020031102} is an apocalyptic number.

1123020031102 is a deficient number, since it is larger than the sum of its proper divisors (634952959490).

1123020031102 is a wasteful number, since it uses less digits than its factorization.

1123020031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812623.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1123020031102 its reverse (2011300203211), we get a palindrome (3134320234313).

The spelling of 1123020031102 in words is "one trillion, one hundred twenty-three billion, twenty million, thirty-one thousand, one hundred two".