1091101920192 has 84 divisors (see below), whose sum is σ = 3127705977240. Its totient is φ = 363670482432.

The previous prime is 1091101920187. The next prime is 1091101920269. The reversal of 1091101920192 is 2910291011901.

1091101920192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7509934 + ... + 7653842.

Almost surely, 2^{1091101920192} is an apocalyptic number.

1091101920192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1091101920192 is an abundant number, since it is smaller than the sum of its proper divisors (2036604057048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091101920192 is a wasteful number, since it uses less digits than its factorization.

1091101920192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157090 (or 157077 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 36.

The spelling of 1091101920192 in words is "one trillion, ninety-one billion, one hundred one million, nine hundred twenty thousand, one hundred ninety-two".