22021111213332 has 48 divisors (see below), whose sum is σ = 64061414441472. Its totient is φ = 5719769146080.

The previous prime is 22021111213259. The next prime is 22021111213337. The reversal of 22021111213332 is 23331211112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021111213337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11916184798 + ... + 11916186645.

It is an arithmetic number, because the mean of its divisors is an integer number (1334612800864).

Almost surely, 2^{22021111213332} is an apocalyptic number.

22021111213332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22021111213332 is an abundant number, since it is smaller than the sum of its proper divisors (42040303228140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22021111213332 is a wasteful number, since it uses less digits than its factorization.

22021111213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23832371468 (or 23832371466 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 22021111213332 its reverse (23331211112022), we get a palindrome (45352322325354).

The spelling of 22021111213332 in words is "twenty-two trillion, twenty-one billion, one hundred eleven million, two hundred thirteen thousand, three hundred thirty-two".