22022201211021 has 36 divisors (see below), whose sum is σ = 35231446810560. Its totient is φ = 13244904644400.

The previous prime is 22022201211019. The next prime is 22022201211029. The reversal of 22022201211021 is 12011210222022.

It is a happy number.

22022201211021 is a `hidden beast` number, since 220 + 2 + 220 + 121 + 102 + 1 = 666.

It is not a de Polignac number, because 22022201211021 - 2¹ = 22022201211019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022201210985 and 22022201211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022201211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77042101 + ... + 77327418.

Almost surely, 2^{22022201211021} is an apocalyptic number.

It is an amenable number.

22022201211021 is a deficient number, since it is larger than the sum of its proper divisors (13209245599539).

22022201211021 is a wasteful number, since it uses less digits than its factorization.

22022201211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154369678 (or 154369664 counting only the distinct ones).

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

Adding to 22022201211021 its reverse (12011210222022), we get a palindrome (34033411433043).

It can be divided in two parts, 22022201 and 211021, that added together give a palindrome (22233222).

The spelling of 22022201211021 in words is "twenty-two trillion, twenty-two billion, two hundred one million, two hundred eleven thousand, twenty-one".