131021012421201 has 8 divisors (see below), whose sum is σ = 199651066546624. Its totient is φ = 74869149954960.

The previous prime is 131021012421199. The next prime is 131021012421217. The reversal of 131021012421201 is 102124210120131.

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

It is not a de Polignac number, because 131021012421201 - 2¹ = 131021012421199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6239095829581 = 131021012421201 / (1 + 3 + 1 + 0 + 2 + 1 + 0 + 1 + 2 + 4 + 2 + 1 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (131021012421251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119547914770 + ... + 3119547914811.

It is an arithmetic number, because the mean of its divisors is an integer number (24956383318328).

Almost surely, 2^{131021012421201} is an apocalyptic number.

It is an amenable number.

131021012421201 is a deficient number, since it is larger than the sum of its proper divisors (68630054125423).

131021012421201 is an equidigital number, since it uses as much as digits as its factorization.

131021012421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239095829591.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 131021012421201 its reverse (102124210120131), we get a palindrome (233145222541332).

The spelling of 131021012421201 in words is "one hundred thirty-one trillion, twenty-one billion, twelve million, four hundred twenty-one thousand, two hundred one".