22013313021000 has 384 divisors, whose sum is σ = 85114536998400. Its totient is φ = 5026865702400.

The previous prime is 22013313020971. The next prime is 22013313021019. The reversal of 22013313021000 is 12031331022.

22013313021000 is a `hidden beast` number, since 2 + 20 + 1 + 331 + 302 + 10 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66804646 + ... + 67133354.

It is an arithmetic number, because the mean of its divisors is an integer number (221652440100).

Almost surely, 2^{22013313021000} is an apocalyptic number.

22013313021000 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 22013313021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42557268499200).

22013313021000 is an abundant number, since it is smaller than the sum of its proper divisors (63101223977400).

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

22013313021000 is a wasteful number, since it uses less digits than its factorization.

22013313021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329806 (or 329789 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22013313021000 its reverse (12031331022), we get a palindrome (22025344352022).

The spelling of 22013313021000 in words is "twenty-two trillion, thirteen billion, three hundred thirteen million, twenty-one thousand".