101221021113 has 16 divisors (see below), whose sum is σ = 138763306752. Its totient is φ = 65591856000.

The previous prime is 101221021091. The next prime is 101221021129. The reversal of 101221021113 is 311120122101.

It is not a de Polignac number, because 101221021113 - 2²⁰ = 101219972537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101221021092 and 101221021101.

It is not an unprimeable number, because it can be changed into a prime (101221021513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484998 + ... + 1551663.

It is an arithmetic number, because the mean of its divisors is an integer number (8672706672).

Almost surely, 2^101221021113 is an apocalyptic number.

It is an amenable number.

101221021113 is a deficient number, since it is larger than the sum of its proper divisors (37542285639).

101221021113 is a wasteful number, since it uses less digits than its factorization.

101221021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036976.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101221021113 its reverse (311120122101), we get a palindrome (412341143214).

The spelling of 101221021113 in words is "one hundred one billion, two hundred twenty-one million, twenty-one thousand, one hundred thirteen".