22130220421000 has 64 divisors (see below), whose sum is σ = 53570395710000. Its totient is φ = 8546843737600.

The previous prime is 22130220420989. The next prime is 22130220421019. The reversal of 22130220421000 is 12402203122.

It can be written as a sum of positive squares in 8 ways, for example, as 2321899393284 + 19808321027716 = 1523778^2 + 4450654^2 .

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, 381526525 + ... + 381584524.

Almost surely, 2^{22130220421000} is an apocalyptic number.

22130220421000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130220421000 is an abundant number, since it is smaller than the sum of its proper divisors (31440175289000).

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

22130220421000 is a wasteful number, since it uses less digits than its factorization.

22130220421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763111099 (or 763111085 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22130220421000 its reverse (12402203122), we get a palindrome (22142622624122).

The spelling of 22130220421000 in words is "twenty-two trillion, one hundred thirty billion, two hundred twenty million, four hundred twenty-one thousand".