10091920111 has 16 divisors (see below), whose sum is σ = 12655185984. Its totient is φ = 7834155264.

The previous prime is 10091920099. The next prime is 10091920147. The reversal of 10091920111 is 11102919001.

It is not a de Polignac number, because 10091920111 - 2⁷ = 10091919983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091920711) 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, 1041406 + ... + 1051051.

It is an arithmetic number, because the mean of its divisors is an integer number (790949124).

Almost surely, 2^10091920111 is an apocalyptic number.

10091920111 is a deficient number, since it is larger than the sum of its proper divisors (2563265873).

10091920111 is a wasteful number, since it uses less digits than its factorization.

10091920111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092530.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 10091920111 in words is "ten billion, ninety-one million, nine hundred twenty thousand, one hundred eleven".