22102021104 has 80 divisors (see below), whose sum is σ = 58204072320. Its totient is φ = 7225447680.

The previous prime is 22102021061. The next prime is 22102021121. The reversal of 22102021104 is 40112020122.

It is a super-2 number, since 2×22102021104² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721459 + ... + 751469.

It is an arithmetic number, because the mean of its divisors is an integer number (727550904).

Almost surely, 2^22102021104 is an apocalyptic number.

22102021104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22102021104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29102036160).

22102021104 is an abundant number, since it is smaller than the sum of its proper divisors (36102051216).

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

22102021104 is a wasteful number, since it uses less digits than its factorization.

22102021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30318 (or 30312 counting only the distinct ones).

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

Adding to 22102021104 its reverse (40112020122), we get a palindrome (62214041226).

The spelling of 22102021104 in words is "twenty-two billion, one hundred two million, twenty-one thousand, one hundred four".