109920019011 has 16 divisors (see below), whose sum is σ = 159973420800. Its totient is φ = 66580794720.

The previous prime is 109920019009. The next prime is 109920019031. The reversal of 109920019011 is 110910029901.

It is not a de Polignac number, because 109920019011 - 2¹ = 109920019009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (109920019031) 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, 875236 + ... + 992913.

It is an arithmetic number, because the mean of its divisors is an integer number (9998338800).

Almost surely, 2^109920019011 is an apocalyptic number.

109920019011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109920019011 is a deficient number, since it is larger than the sum of its proper divisors (50053401789).

109920019011 is a wasteful number, since it uses less digits than its factorization.

109920019011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869946.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 109920019011 in words is "one hundred nine billion, nine hundred twenty million, nineteen thousand, eleven".