101121213112331 has 4 divisors (see below), whose sum is σ = 101368453242600. Its totient is φ = 100873972982064.

The previous prime is 101121213112261. The next prime is 101121213112343. The reversal of 101121213112331 is 133211312121101.

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 101121213112331 - 2¹⁸ = 101121212850187 is a prime.

It is a super-2 number, since 2×101121213112331² (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 = 101121213112297 and 101121213112306.

It is not an unprimeable number, because it can be changed into a prime (101121213112531) 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, 123620064521 + ... + 123620065338.

It is an arithmetic number, because the mean of its divisors is an integer number (25342113310650).

Almost surely, 2^{101121213112331} is an apocalyptic number.

101121213112331 is a deficient number, since it is larger than the sum of its proper divisors (247240130269).

101121213112331 is an equidigital number, since it uses as much as digits as its factorization.

101121213112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247240130268.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 101121213112331 its reverse (133211312121101), we get a palindrome (234332525233432).

The spelling of 101121213112331 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred thirteen million, one hundred twelve thousand, three hundred thirty-one".