1107431221989 has 16 divisors (see below), whose sum is σ = 1478705355200. Its totient is φ = 737222466816.

The previous prime is 1107431221961. The next prime is 1107431222021. The reversal of 1107431221989 is 9891221347011.

It is not a de Polignac number, because 1107431221989 - 2⁷ = 1107431221861 is a prime.

It is a super-2 number, since 2×1107431221989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107431228989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49048707 + ... + 49071279.

It is an arithmetic number, because the mean of its divisors is an integer number (92419084700).

Almost surely, 2^{1107431221989} is an apocalyptic number.

It is an amenable number.

1107431221989 is a deficient number, since it is larger than the sum of its proper divisors (371274133211).

1107431221989 is a wasteful number, since it uses less digits than its factorization.

1107431221989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45444.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 1107431221989 in words is "one trillion, one hundred seven billion, four hundred thirty-one million, two hundred twenty-one thousand, nine hundred eighty-nine".