101021010022021 has 4 divisors (see below), whose sum is σ = 101036986781472. Its totient is φ = 101005033262572.

The previous prime is 101021010022013. The next prime is 101021010022027. The reversal of 101021010022021 is 120220010120101.

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 101021010022021 - 2³ = 101021010022013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021010021992 and 101021010022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021010022027) 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, 7988370241 + ... + 7988382886.

It is an arithmetic number, because the mean of its divisors is an integer number (25259246695368).

Almost surely, 2^{101021010022021} is an apocalyptic number.

It is an amenable number.

101021010022021 is a deficient number, since it is larger than the sum of its proper divisors (15976759451).

101021010022021 is an equidigital number, since it uses as much as digits as its factorization.

101021010022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15976759450.

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

Adding to 101021010022021 its reverse (120220010120101), we get a palindrome (221241020142122).

The spelling of 101021010022021 in words is "one hundred one trillion, twenty-one billion, ten million, twenty-two thousand, twenty-one".