100312223011 has 32 divisors (see below), whose sum is σ = 134712345600. Its totient is φ = 72137969280.

The previous prime is 100312222889. The next prime is 100312223021. The reversal of 100312223011 is 110322213001.

It is not a de Polignac number, because 100312223011 - 2¹⁵ = 100312190243 is a prime.

It is a super-2 number, since 2×100312223011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100312223021) 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, 8271210 + ... + 8283328.

It is an arithmetic number, because the mean of its divisors is an integer number (4209760800).

Almost surely, 2^100312223011 is an apocalyptic number.

100312223011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100312223011 is a deficient number, since it is larger than the sum of its proper divisors (34400122589).

100312223011 is a wasteful number, since it uses less digits than its factorization.

100312223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20419.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100312223011 its reverse (110322213001), we get a palindrome (210634436012).

It can be divided in two parts, 100312 and 223011, that added together give a palindrome (323323).

The spelling of 100312223011 in words is "one hundred billion, three hundred twelve million, two hundred twenty-three thousand, eleven".