22021310000 has 50 divisors (see below), whose sum is σ = 53315817852. Its totient is φ = 8808520000.

The previous prime is 22021309991. The next prime is 22021310011. The reversal of 22021310000 is 1312022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×22021310000² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1091066 + ... + 1111065.

Almost surely, 2^22021310000 is an apocalyptic number.

22021310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021310000 is an abundant number, since it is smaller than the sum of its proper divisors (31294507852).

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

22021310000 is an equidigital number, since it uses as much as digits as its factorization.

22021310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202159 (or 2202138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22021310000 its reverse (1312022), we get a palindrome (22022622022).

The spelling of 22021310000 in words is "twenty-two billion, twenty-one million, three hundred ten thousand".