242022402021 has 24 divisors (see below), whose sum is σ = 345340688160. Its totient is φ = 150350281920.

The previous prime is 242022401993. The next prime is 242022402067. The reversal of 242022402021 is 120204220242.

It is not a de Polignac number, because 242022402021 - 2⁵ = 242022401989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242022402121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358450 + ... + 782643.

It is an arithmetic number, because the mean of its divisors is an integer number (14389195340).

Almost surely, 2^242022402021 is an apocalyptic number.

It is an amenable number.

242022402021 is a deficient number, since it is larger than the sum of its proper divisors (103318286139).

242022402021 is a wasteful number, since it uses less digits than its factorization.

242022402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141237 (or 1141176 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 242022402021 its reverse (120204220242), we get a palindrome (362226622263).

The spelling of 242022402021 in words is "two hundred forty-two billion, twenty-two million, four hundred two thousand, twenty-one".