1122020032113 has 24 divisors (see below), whose sum is σ = 1626361352616. Its totient is φ = 745402694400.

The previous prime is 1122020032099. The next prime is 1122020032123. The reversal of 1122020032113 is 3112300202211.

1122020032113 is a `hidden beast` number, since 112 + 20 + 200 + 321 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 441117803889 + 680902228224 = 664167^2 + 825168^2 .

It is not a de Polignac number, because 1122020032113 - 2¹⁰ = 1122020031089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122020032123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2962173 + ... + 3319413.

It is an arithmetic number, because the mean of its divisors is an integer number (67765056359).

Almost surely, 2^{1122020032113} is an apocalyptic number.

It is an amenable number.

1122020032113 is a deficient number, since it is larger than the sum of its proper divisors (504341320503).

1122020032113 is a wasteful number, since it uses less digits than its factorization.

1122020032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358465 (or 358462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1122020032113 its reverse (3112300202211), we get a palindrome (4234320234324).

The spelling of 1122020032113 in words is "one trillion, one hundred twenty-two billion, twenty million, thirty-two thousand, one hundred thirteen".