22001002011000 has 96 divisors (see below), whose sum is σ = 74363386827600. Its totient is φ = 5866933867200.

The previous prime is 22001002010993. The next prime is 22001002011007. The reversal of 22001002011000 is 11020010022.

It is an interprime number because it is at equal distance from previous prime (22001002010993) and next prime (22001002011007).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001002011007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1222268890 + ... + 1222286889.

Almost surely, 2^{22001002011000} is an apocalyptic number.

22001002011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001002011000 is an abundant number, since it is smaller than the sum of its proper divisors (52362384816600).

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

22001002011000 is a wasteful number, since it uses less digits than its factorization.

22001002011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444555806 (or 2444555789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22001002011000 its reverse (11020010022), we get a palindrome (22012022021022).

The spelling of 22001002011000 in words is "twenty-two trillion, one billion, two million, eleven thousand".