22101233231000 has 512 divisors, whose sum is σ = 68426936248320. Its totient is φ = 6468673536000.

The previous prime is 22101233230969. The next prime is 22101233231041. The reversal of 22101233231000 is 13233210122.

It is a super-2 number, since 2×22101233231000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 579867944 + ... + 579906056.

It is an arithmetic number, because the mean of its divisors is an integer number (133646359860).

Almost surely, 2^{22101233231000} is an apocalyptic number.

22101233231000 is a gapful number since it is divisible by the number (20) 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 22101233231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34213468124160).

22101233231000 is an abundant number, since it is smaller than the sum of its proper divisors (46325703017320).

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

22101233231000 is a wasteful number, since it uses less digits than its factorization.

22101233231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38612 (or 38598 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22101233231000 its reverse (13233210122), we get a palindrome (22114466441122).

The spelling of 22101233231000 in words is "twenty-two trillion, one hundred one billion, two hundred thirty-three million, two hundred thirty-one thousand".