10920811011 has 32 divisors (see below), whose sum is σ = 15993040896. Its totient is φ = 6573696000.

The previous prime is 10920810991. The next prime is 10920811021. The reversal of 10920811011 is 11011802901.

It is not a de Polignac number, because 10920811011 - 2⁶ = 10920810947 is a prime.

It is a super-2 number, since 2×10920811011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10920811021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6434515 + ... + 6436211.

It is an arithmetic number, because the mean of its divisors is an integer number (499782528).

Almost surely, 2^10920811011 is an apocalyptic number.

10920811011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10920811011 is a deficient number, since it is larger than the sum of its proper divisors (5072229885).

10920811011 is a wasteful number, since it uses less digits than its factorization.

10920811011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 10920811011 in words is "ten billion, nine hundred twenty million, eight hundred eleven thousand, eleven".