131002122101 has 4 divisors (see below), whose sum is σ = 131003762304. Its totient is φ = 131000481900.

The previous prime is 131002122091. The next prime is 131002122103. The reversal of 131002122101 is 101221200131.

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 a cyclic number.

It is not a de Polignac number, because 131002122101 - 2¹⁸ = 131001859957 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 (131002122103) 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, 693815 + ... + 862196.

It is an arithmetic number, because the mean of its divisors is an integer number (32750940576).

Almost surely, 2^131002122101 is an apocalyptic number.

It is an amenable number.

131002122101 is a deficient number, since it is larger than the sum of its proper divisors (1640203).

131002122101 is an equidigital number, since it uses as much as digits as its factorization.

131002122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640202.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 131002122101 its reverse (101221200131), we get a palindrome (232223322232).

The spelling of 131002122101 in words is "one hundred thirty-one billion, two million, one hundred twenty-two thousand, one hundred one".