20111092712 has 16 divisors (see below), whose sum is σ = 37713927840. Its totient is φ = 10054045296.

The previous prime is 20111092711. The next prime is 20111092817. The reversal of 20111092712 is 21729011102.

It is not an unprimeable number, because it can be changed into a prime (20111092711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129638 + ... + 238805.

It is an arithmetic number, because the mean of its divisors is an integer number (2357120490).

Almost surely, 2^20111092712 is an apocalyptic number.

It is an amenable number.

20111092712 is a deficient number, since it is larger than the sum of its proper divisors (17602835128).

20111092712 is a wasteful number, since it uses less digits than its factorization.

20111092712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375272 (or 375268 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 20111092712 in words is "twenty billion, one hundred eleven million, ninety-two thousand, seven hundred twelve".