131012221402102 has 8 divisors (see below), whose sum is σ = 197053804398816. Its totient is φ = 65327619935832.

The previous prime is 131012221402079. The next prime is 131012221402177. The reversal of 131012221402102 is 201204122210131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89245381693 + ... + 89245383160.

It is an arithmetic number, because the mean of its divisors is an integer number (24631725549852).

Almost surely, 2^{131012221402102} is an apocalyptic number.

131012221402102 is a deficient number, since it is larger than the sum of its proper divisors (66041582996714).

131012221402102 is a wasteful number, since it uses less digits than its factorization.

131012221402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178490765222.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131012221402102 its reverse (201204122210131), we get a palindrome (332216343612233).

The spelling of 131012221402102 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-one million, four hundred two thousand, one hundred two".