101021133111113 has 4 divisors (see below), whose sum is σ = 101021166897300. Its totient is φ = 101021099324928.

The previous prime is 101021133111109. The next prime is 101021133111133. The reversal of 101021133111113 is 311111331120101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23630176543744 + 77390956567369 = 4861088^2 + 8797213^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021133111113 - 2² = 101021133111109 is a prime.

It is a super-2 number, since 2×101021133111113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021133111133) 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, 11920088 + ... + 18550761.

It is an arithmetic number, because the mean of its divisors is an integer number (25255291724325).

Almost surely, 2^{101021133111113} is an apocalyptic number.

It is an amenable number.

101021133111113 is a deficient number, since it is larger than the sum of its proper divisors (33786187).

101021133111113 is an equidigital number, since it uses as much as digits as its factorization.

101021133111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33786186.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 101021133111113 its reverse (311111331120101), we get a palindrome (412132464231214).

The spelling of 101021133111113 in words is "one hundred one trillion, twenty-one billion, one hundred thirty-three million, one hundred eleven thousand, one hundred thirteen".