131122022101 has 16 divisors (see below), whose sum is σ = 154032378624. Its totient is φ = 109293859584.

The previous prime is 131122022099. The next prime is 131122022107. The reversal of 131122022101 is 101220221131.

It is not a de Polignac number, because 131122022101 - 2¹ = 131122022099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122022107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521921 + ... + 1605766.

It is an arithmetic number, because the mean of its divisors is an integer number (9627023664).

Almost surely, 2^131122022101 is an apocalyptic number.

It is an amenable number.

131122022101 is a deficient number, since it is larger than the sum of its proper divisors (22910356523).

131122022101 is a wasteful number, since it uses less digits than its factorization.

131122022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127860.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131122022101 its reverse (101220221131), we get a palindrome (232342243232).

The spelling of 131122022101 in words is "one hundred thirty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred one".