1022315220021 has 48 divisors (see below), whose sum is σ = 1509493043520. Its totient is φ = 613260341760.

The previous prime is 1022315220019. The next prime is 1022315220029. The reversal of 1022315220021 is 1200225132201.

1022315220021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022315220021 - 2¹ = 1022315220019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022315220021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022315220029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62286306 + ... + 62302716.

It is an arithmetic number, because the mean of its divisors is an integer number (31447771740).

Almost surely, 2^{1022315220021} is an apocalyptic number.

It is an amenable number.

1022315220021 is a deficient number, since it is larger than the sum of its proper divisors (487177823499).

1022315220021 is a wasteful number, since it uses less digits than its factorization.

1022315220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18786 (or 18763 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 1022315220021 in words is "one trillion, twenty-two billion, three hundred fifteen million, two hundred twenty thousand, twenty-one".