101020333320021 has 32 divisors (see below), whose sum is σ = 140922981029376. Its totient is φ = 64302546240000.

The previous prime is 101020333320017. The next prime is 101020333320059. The reversal of 101020333320021 is 120023333020101.

It is not a de Polignac number, because 101020333320021 - 2² = 101020333320017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101020333320021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020333310021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99744471 + ... + 100752171.

It is an arithmetic number, because the mean of its divisors is an integer number (4403843157168).

Almost surely, 2^{101020333320021} is an apocalyptic number.

It is an amenable number.

101020333320021 is a deficient number, since it is larger than the sum of its proper divisors (39902647709355).

101020333320021 is a wasteful number, since it uses less digits than its factorization.

101020333320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025133.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 101020333320021 its reverse (120023333020101), we get a palindrome (221043666340122).

The spelling of 101020333320021 in words is "one hundred one trillion, twenty billion, three hundred thirty-three million, three hundred twenty thousand, twenty-one".