101001011202021 has 16 divisors (see below), whose sum is σ = 153908863884800. Its totient is φ = 57713903131248.

The previous prime is 101001011201947. The next prime is 101001011202031. The reversal of 101001011202021 is 120202110100101.

101001011202021 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 101001011202021 - 2²² = 101001007007717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001011201988 and 101001011202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001011202031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38724211 + ... + 41250048.

It is an arithmetic number, because the mean of its divisors is an integer number (9619303992800).

Almost surely, 2^{101001011202021} is an apocalyptic number.

It is an amenable number.

101001011202021 is a deficient number, since it is larger than the sum of its proper divisors (52907852682779).

101001011202021 is an equidigital number, since it uses as much as digits as its factorization.

101001011202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80034408.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101001011202021 its reverse (120202110100101), we get a palindrome (221203121302122).

It can be divided in two parts, 10100101 and 1202021, that multiplied together give a palindrome (12140533504121).

The spelling of 101001011202021 in words is "one hundred one trillion, one billion, eleven million, two hundred two thousand, twenty-one".