22021101024 has 48 divisors (see below), whose sum is σ = 62251962192. Its totient is φ = 6775723008.

The previous prime is 22021100987. The next prime is 22021101029. The reversal of 22021101024 is 42010112022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 22021100994 and 22021101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021101029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8821309 + ... + 8823804.

It is an arithmetic number, because the mean of its divisors is an integer number (1296915879).

Almost surely, 2^22021101024 is an apocalyptic number.

22021101024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22021101024 is an abundant number, since it is smaller than the sum of its proper divisors (40230861168).

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

22021101024 is a wasteful number, since it uses less digits than its factorization.

22021101024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17645139 (or 17645131 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22021101024 its reverse (42010112022), we get a palindrome (64031213046).

The spelling of 22021101024 in words is "twenty-two billion, twenty-one million, one hundred one thousand, twenty-four".