131012224202021 has 8 divisors (see below), whose sum is σ = 140168384824800. Its totient is φ = 122082141619440.

The previous prime is 131012224202003. The next prime is 131012224202029. The reversal of 131012224202021 is 120202422210131.

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

It is a cyclic number.

It is not a de Polignac number, because 131012224202021 - 2⁴⁶ = 60643480024357 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 (131012224202029) 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, 56519508851 + ... + 56519511168.

It is an arithmetic number, because the mean of its divisors is an integer number (17521048103100).

Almost surely, 2^{131012224202021} is an apocalyptic number.

It is an amenable number.

131012224202021 is a deficient number, since it is larger than the sum of its proper divisors (9156160622779).

131012224202021 is a wasteful number, since it uses less digits than its factorization.

131012224202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113039020099.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 131012224202021 its reverse (120202422210131), we get a palindrome (251214646412152).

The spelling of 131012224202021 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred two thousand, twenty-one".