1022220011200 has 252 divisors, whose sum is σ = 2595816383160. Its totient is φ = 395990138880.

The previous prime is 1022220011191. The next prime is 1022220011203. The reversal of 1022220011200 is 21100222201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1022220011203) 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, 1329284416 + ... + 1329285184.

Almost surely, 2^{1022220011200} is an apocalyptic number.

1022220011200 is a gapful number since it is divisible by the number (10) 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 1022220011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297908191580).

1022220011200 is an abundant number, since it is smaller than the sum of its proper divisors (1573596371960).

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

1022220011200 is an equidigital number, since it uses as much as digits as its factorization.

1022220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022220011200 its reverse (21100222201), we get a palindrome (1043320233401).

The spelling of 1022220011200 in words is "one trillion, twenty-two billion, two hundred twenty million, eleven thousand, two hundred".