20220222111021 has 40 divisors (see below), whose sum is σ = 30505916304864. Its totient is φ = 13346097256800.

The previous prime is 20220222110983. The next prime is 20220222111097. The reversal of 20220222111021 is 12011122202202.

It is a happy number.

It is not a de Polignac number, because 20220222111021 - 2²³ = 20220213722413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220222110985 and 20220222111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220222111721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 268323670 + ... + 268399016.

Almost surely, 2^{20220222111021} is an apocalyptic number.

It is an amenable number.

20220222111021 is a deficient number, since it is larger than the sum of its proper divisors (10285694193843).

20220222111021 is a wasteful number, since it uses less digits than its factorization.

20220222111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108263 (or 108254 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20220222111021 its reverse (12011122202202), we get a palindrome (32231344313223).

The spelling of 20220222111021 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, twenty-one".