22010021111200 has 216 divisors, whose sum is σ = 55376370583884. Its totient is φ = 8537488896000.

The previous prime is 22010021111189. The next prime is 22010021111203. The reversal of 22010021111200 is 211112001022.

It can be written as a sum of positive squares in 6 ways, for example, as 9470858530576 + 12539162580624 = 3077476^2 + 3541068^2 .

It is not an unprimeable number, because it can be changed into a prime (22010021111203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 914747170 + ... + 914771230.

Almost surely, 2^{22010021111200} is an apocalyptic number.

22010021111200 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 22010021111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27688185291942).

22010021111200 is an abundant number, since it is smaller than the sum of its proper divisors (33366349472684).

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

22010021111200 is a wasteful number, since it uses less digits than its factorization.

22010021111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24456 (or 24276 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22010021111200 its reverse (211112001022), we get a palindrome (22221133112222).

The spelling of 22010021111200 in words is "twenty-two trillion, ten billion, twenty-one million, one hundred eleven thousand, two hundred".