2022111021200 has 120 divisors (see below), whose sum is σ = 4911877322856. Its totient is φ = 799912960000.

The previous prime is 2022111021187. The next prime is 2022111021223. The reversal of 2022111021200 is 21201112202.

It can be written as a sum of positive squares in 12 ways, for example, as 12929509264 + 2009181511936 = 113708^2 + 1417456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35563994 + ... + 35620806.

Almost surely, 2^{2022111021200} is an apocalyptic number.

2022111021200 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 2022111021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455938661428).

2022111021200 is an abundant number, since it is smaller than the sum of its proper divisors (2889766301656).

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

2022111021200 is a wasteful number, since it uses less digits than its factorization.

2022111021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57813 (or 57802 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2022111021200 its reverse (21201112202), we get a palindrome (2043312133402).

The spelling of 2022111021200 in words is "two trillion, twenty-two billion, one hundred eleven million, twenty-one thousand, two hundred".