101223302122021 has 4 divisors (see below), whose sum is σ = 101588729205772. Its totient is φ = 100857875038272.

The previous prime is 101223302121943. The next prime is 101223302122057. The reversal of 101223302122021 is 120221203322101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64739950500996 + 36483351621025 = 8046114^2 + 6040145^2 .

It is a cyclic number.

It is not a de Polignac number, because 101223302122021 - 2¹⁵ = 101223302089253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101223302121983 and 101223302122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223302132021) 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, 182713541460 + ... + 182713542013.

It is an arithmetic number, because the mean of its divisors is an integer number (25397182301443).

Almost surely, 2^{101223302122021} is an apocalyptic number.

It is an amenable number.

101223302122021 is a deficient number, since it is larger than the sum of its proper divisors (365427083751).

101223302122021 is an equidigital number, since it uses as much as digits as its factorization.

101223302122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365427083750.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 101223302122021 its reverse (120221203322101), we get a palindrome (221444505444122).

The spelling of 101223302122021 in words is "one hundred one trillion, two hundred twenty-three billion, three hundred two million, one hundred twenty-two thousand, twenty-one".