800111101011 has 32 divisors (see below), whose sum is σ = 1135146700800. Its totient is φ = 499553393664.

The previous prime is 800111100983. The next prime is 800111101033. The reversal of 800111101011 is 110101111008.

It is not a de Polignac number, because 800111101011 - 2⁷ = 800111100883 is a prime.

It is a super-2 number, since 2×800111101011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (800111101411) 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, 27200890 + ... + 27230288.

It is an arithmetic number, because the mean of its divisors is an integer number (35473334400).

Almost surely, 2^800111101011 is an apocalyptic number.

800111101011 is a deficient number, since it is larger than the sum of its proper divisors (335035599789).

800111101011 is a wasteful number, since it uses less digits than its factorization.

800111101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32035.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 800111101011 its reverse (110101111008), we get a palindrome (910212212019).

The spelling of 800111101011 in words is "eight hundred billion, one hundred eleven million, one hundred one thousand, eleven".