23221022122000 has 40 divisors (see below), whose sum is σ = 56148431495832. Its totient is φ = 9288408848000.

The previous prime is 23221022121967. The next prime is 23221022122009. The reversal of 23221022122000 is 22122012232.

It can be written as a sum of positive squares in 4 ways, for example, as 2039064336 + 23218983057664 = 45156^2 + 4818608^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (23221022122009) 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, 5805253531 + ... + 5805257530.

Almost surely, 2^{23221022122000} is an apocalyptic number.

23221022122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221022122000 is an abundant number, since it is smaller than the sum of its proper divisors (32927409373832).

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

23221022122000 is a wasteful number, since it uses less digits than its factorization.

23221022122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610511084 (or 11610511068 counting only the distinct ones).

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

Adding to 23221022122000 its reverse (22122012232), we get a palindrome (23243144134232).

The spelling of 23221022122000 in words is "twenty-three trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand".