101211211331 has 2 divisors, whose sum is σ = 101211211332. Its totient is φ = 101211211330.

The previous prime is 101211211247. The next prime is 101211211357. The reversal of 101211211331 is 133112112101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101211211331 - 2¹⁰ = 101211210307 is a prime.

It is a super-2 number, since 2×101211211331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101211211531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605605665 + 50605605666.

It is an arithmetic number, because the mean of its divisors is an integer number (50605605666).

Almost surely, 2^101211211331 is an apocalyptic number.

101211211331 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211211331 is an equidigital number, since it uses as much as digits as its factorization.

101211211331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 101211211331 its reverse (133112112101), we get a palindrome (234323323432).

The spelling of 101211211331 in words is "one hundred one billion, two hundred eleven million, two hundred eleven thousand, three hundred thirty-one".