101211012231013 has 4 divisors (see below), whose sum is σ = 101239610994720. Its totient is φ = 101182413467308.

The previous prime is 101211012231011. The next prime is 101211012231061. The reversal of 101211012231013 is 310132210112101.

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 101211012231013 - 2¹ = 101211012231011 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 (101211012231011) 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, 14299376545 + ... + 14299383622.

It is an arithmetic number, because the mean of its divisors is an integer number (25309902748680).

Almost surely, 2^{101211012231013} is an apocalyptic number.

It is an amenable number.

101211012231013 is a deficient number, since it is larger than the sum of its proper divisors (28598763707).

101211012231013 is an equidigital number, since it uses as much as digits as its factorization.

101211012231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28598763706.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 101211012231013 its reverse (310132210112101), we get a palindrome (411343222343114).

The spelling of 101211012231013 in words is "one hundred one trillion, two hundred eleven billion, twelve million, two hundred thirty-one thousand, thirteen".