2220210021021 has 8 divisors (see below), whose sum is σ = 2960337026304. Its totient is φ = 1480111514880.

The previous prime is 2220210021013. The next prime is 2220210021053. The reversal of 2220210021021 is 1201200120222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220210021021 - 2³ = 2220210021013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220210021061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6942340 + ... + 7255101.

It is an arithmetic number, because the mean of its divisors is an integer number (370042128288).

Almost surely, 2^{2220210021021} is an apocalyptic number.

It is an amenable number.

2220210021021 is a deficient number, since it is larger than the sum of its proper divisors (740127005283).

2220210021021 is a wasteful number, since it uses less digits than its factorization.

2220210021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249571.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220210021021 its reverse (1201200120222), we get a palindrome (3421410141243).

The spelling of 2220210021021 in words is "two trillion, two hundred twenty billion, two hundred ten million, twenty-one thousand, twenty-one".