100131123022 has 64 divisors (see below), whose sum is σ = 177648629760. Its totient is φ = 41440962816.

The previous prime is 100131123007. The next prime is 100131123031. The reversal of 100131123022 is 220321131001.

It is a junction number, because it is equal to n+sod(n) for n = 100131122987 and 100131123005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32968888 + ... + 32971924.

It is an arithmetic number, because the mean of its divisors is an integer number (2775759840).

Almost surely, 2^100131123022 is an apocalyptic number.

100131123022 is a deficient number, since it is larger than the sum of its proper divisors (77517506738).

100131123022 is a wasteful number, since it uses less digits than its factorization.

100131123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745.

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

Adding to 100131123022 its reverse (220321131001), we get a palindrome (320452254023).

The spelling of 100131123022 in words is "one hundred billion, one hundred thirty-one million, one hundred twenty-three thousand, twenty-two".