101331213111 has 12 divisors (see below), whose sum is σ = 151788319592. Its totient is φ = 67554141912.

The previous prime is 101331213101. The next prime is 101331213119. The reversal of 101331213111 is 111312133101.

101331213111 is a `hidden beast` number, since 1 + 0 + 1 + 331 + 21 + 311 + 1 = 666.

It is not a de Polignac number, because 101331213111 - 2⁹ = 101331212599 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 (101331213119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208500196 + ... + 208500681.

Almost surely, 2^101331213111 is an apocalyptic number.

101331213111 is a deficient number, since it is larger than the sum of its proper divisors (50457106481).

101331213111 is an frugal number, since it uses more digits than its factorization.

101331213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417000892 (or 417000880 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 101331213111 its reverse (111312133101), we get a palindrome (212643346212).

The spelling of 101331213111 in words is "one hundred one billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred eleven".