101211102111113 has 4 divisors (see below), whose sum is σ = 101216738432580. Its totient is φ = 101205465789648.

The previous prime is 101211102111103. The next prime is 101211102111179. The reversal of 101211102111113 is 311111201112101.

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 60720749691904 + 40490352419209 = 7792352^2 + 6363203^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211102111113 - 2²² = 101211097916809 is a prime.

It is a super-2 number, since 2×101211102111113² (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 = 101211102111091 and 101211102111100.

It is not an unprimeable number, because it can be changed into a prime (101211102111103) 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, 2818133798 + ... + 2818169711.

It is an arithmetic number, because the mean of its divisors is an integer number (25304184608145).

Almost surely, 2^{101211102111113} is an apocalyptic number.

It is an amenable number.

101211102111113 is a deficient number, since it is larger than the sum of its proper divisors (5636321467).

101211102111113 is an equidigital number, since it uses as much as digits as its factorization.

101211102111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636321466.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 101211102111113 its reverse (311111201112101), we get a palindrome (412322303223214).

The spelling of 101211102111113 in words is "one hundred one trillion, two hundred eleven billion, one hundred two million, one hundred eleven thousand, one hundred thirteen".