101112220021 has 8 divisors (see below), whose sum is σ = 101673782784. Its totient is φ = 100551623280.

The previous prime is 101112220007. The next prime is 101112220081. The reversal of 101112220021 is 120022211101.

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 101112220021 - 2²⁹ = 100575349109 is a prime.

It is a super-2 number, since 2×101112220021² (a number of 23 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 = 101112219983 and 101112220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112220081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31081 + ... + 450766.

It is an arithmetic number, because the mean of its divisors is an integer number (12709222848).

Almost surely, 2^101112220021 is an apocalyptic number.

It is an amenable number.

101112220021 is a deficient number, since it is larger than the sum of its proper divisors (561562763).

101112220021 is an equidigital number, since it uses as much as digits as its factorization.

101112220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483011.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101112220021 its reverse (120022211101), we get a palindrome (221134431122).

The spelling of 101112220021 in words is "one hundred one billion, one hundred twelve million, two hundred twenty thousand, twenty-one".