22121410000 has 50 divisors (see below), whose sum is σ = 53558169962. Its totient is φ = 8848560000.

The previous prime is 22121409997. The next prime is 22121410009. The reversal of 22121410000 is 1412122.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 8825475136 + 13295934864 = 93944^2 + 115308^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121410009) 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 9 ways as a sum of consecutive naturals, for example, 1096071 + ... + 1116070.

Almost surely, 2^22121410000 is an apocalyptic number.

22121410000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121410000 is an abundant number, since it is smaller than the sum of its proper divisors (31436759962).

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

22121410000 is an equidigital number, since it uses as much as digits as its factorization.

22121410000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212169 (or 2212148 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22121410000 its reverse (1412122), we get a palindrome (22122822122).

The spelling of 22121410000 in words is "twenty-two billion, one hundred twenty-one million, four hundred ten thousand".