1091100200912 has 10 divisors (see below), whose sum is σ = 2114006639298. Its totient is φ = 545550100448.

The previous prime is 1091100200909. The next prime is 1091100200921. The reversal of 1091100200912 is 2190020011901.

It can be written as a sum of positive squares in only one way, i.e., 823745020816 + 267355180096 = 907604^2 + 517064^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34096881263 + ... + 34096881294.

Almost surely, 2^{1091100200912} is an apocalyptic number.

It is an amenable number.

1091100200912 is a deficient number, since it is larger than the sum of its proper divisors (1022906438386).

1091100200912 is an equidigital number, since it uses as much as digits as its factorization.

1091100200912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68193762565 (or 68193762559 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 1091100200912 in words is "one trillion, ninety-one billion, one hundred million, two hundred thousand, nine hundred twelve".