101001122212021 has 4 divisors (see below), whose sum is σ = 101001998077344. Its totient is φ = 101000246346700.

The previous prime is 101001122211991. The next prime is 101001122212031. The reversal of 101001122212021 is 120212221100101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101001122212021 - 2⁵ = 101001122211989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001122211986 and 101001122212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001122212031) 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, 437759665 + ... + 437990326.

It is an arithmetic number, because the mean of its divisors is an integer number (25250499519336).

Almost surely, 2^{101001122212021} is an apocalyptic number.

It is an amenable number.

101001122212021 is a deficient number, since it is larger than the sum of its proper divisors (875865323).

101001122212021 is an equidigital number, since it uses as much as digits as its factorization.

101001122212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875865322.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101001122212021 its reverse (120212221100101), we get a palindrome (221213343312122).

The spelling of 101001122212021 in words is "one hundred one trillion, one billion, one hundred twenty-two million, two hundred twelve thousand, twenty-one".