101100112201021 has 8 divisors (see below), whose sum is σ = 103258123188480. Its totient is φ = 98942390579088.

The previous prime is 101100112201009. The next prime is 101100112201061. The reversal of 101100112201021 is 120102211001101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101100112201021 - 2¹³ = 101100112192829 is a prime.

It is a super-2 number, since 2×101100112201021² (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 = 101100112200992 and 101100112201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100112201061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71635081 + ... + 73032766.

It is an arithmetic number, because the mean of its divisors is an integer number (12907265398560).

Almost surely, 2^{101100112201021} is an apocalyptic number.

It is an amenable number.

101100112201021 is a deficient number, since it is larger than the sum of its proper divisors (2158010987459).

101100112201021 is a wasteful number, since it uses less digits than its factorization.

101100112201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144682763.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101100112201021 its reverse (120102211001101), we get a palindrome (221202323202122).

The spelling of 101100112201021 in words is "one hundred one trillion, one hundred billion, one hundred twelve million, two hundred one thousand, twenty-one".