101213331011231 has 4 divisors (see below), whose sum is σ = 101213410122264. Its totient is φ = 101213251900200.

The previous prime is 101213331011207. The next prime is 101213331011257. The reversal of 101213331011231 is 132110133312101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101213331011231 - 2⁶ = 101213331011167 is a prime.

It is a super-2 number, since 2×101213331011231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101213331011197 and 101213331011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213331041231) 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, 37604360 + ... + 40205901.

It is an arithmetic number, because the mean of its divisors is an integer number (25303352530566).

Almost surely, 2^{101213331011231} is an apocalyptic number.

101213331011231 is a deficient number, since it is larger than the sum of its proper divisors (79111033).

101213331011231 is an equidigital number, since it uses as much as digits as its factorization.

101213331011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79111032.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 101213331011231 its reverse (132110133312101), we get a palindrome (233323464323332).

The spelling of 101213331011231 in words is "one hundred one trillion, two hundred thirteen billion, three hundred thirty-one million, eleven thousand, two hundred thirty-one".