101102020202221 has 4 divisors (see below), whose sum is σ = 101102097643072. Its totient is φ = 101101942761372.

The previous prime is 101102020202203. The next prime is 101102020202231. The reversal of 101102020202221 is 122202020201101.

It is a happy number.

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 101102020202221 - 2²⁷ = 101101885984493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101102020202195 and 101102020202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102020202231) 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, 36727941 + ... + 39384586.

It is an arithmetic number, because the mean of its divisors is an integer number (25275524410768).

Almost surely, 2^{101102020202221} is an apocalyptic number.

It is an amenable number.

101102020202221 is a deficient number, since it is larger than the sum of its proper divisors (77440851).

101102020202221 is an equidigital number, since it uses as much as digits as its factorization.

101102020202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77440850.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101102020202221 its reverse (122202020201101), we get a palindrome (223304040403322).

The spelling of 101102020202221 in words is "one hundred one trillion, one hundred two billion, twenty million, two hundred two thousand, two hundred twenty-one".