131122333101 has 4 divisors (see below), whose sum is σ = 174829777472. Its totient is φ = 87414888732.

The previous prime is 131122333087. The next prime is 131122333141. The reversal of 131122333101 is 101333221131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131122333101 - 2⁹ = 131122332589 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 (131122333141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21853722181 + ... + 21853722186.

It is an arithmetic number, because the mean of its divisors is an integer number (43707444368).

Almost surely, 2^131122333101 is an apocalyptic number.

It is an amenable number.

131122333101 is a deficient number, since it is larger than the sum of its proper divisors (43707444371).

131122333101 is an equidigital number, since it uses as much as digits as its factorization.

131122333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43707444370.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131122333101 its reverse (101333221131), we get a palindrome (232455554232).

The spelling of 131122333101 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred thirty-three thousand, one hundred one".