222022201021 has 4 divisors (see below), whose sum is σ = 222041614912. Its totient is φ = 222002787132.

The previous prime is 222022201013. The next prime is 222022201033. The reversal of 222022201021 is 120102220222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222022201021 - 2³ = 222022201013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222022200986 and 222022201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022201061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9689781 + ... + 9712666.

It is an arithmetic number, because the mean of its divisors is an integer number (55510403728).

Almost surely, 2^222022201021 is an apocalyptic number.

It is an amenable number.

222022201021 is a deficient number, since it is larger than the sum of its proper divisors (19413891).

222022201021 is a wasteful number, since it uses less digits than its factorization.

222022201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413890.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222022201021 its reverse (120102220222), we get a palindrome (342124421243).

The spelling of 222022201021 in words is "two hundred twenty-two billion, twenty-two million, two hundred one thousand, twenty-one".