1022201111200 has 72 divisors (see below), whose sum is σ = 2499560767872. Its totient is φ = 408206641920.

The previous prime is 1022201111189. The next prime is 1022201111213. The reversal of 1022201111200 is 21111022201.

It is a super-2 number, since 2×1022201111200² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566914 + ... + 1538113.

It is an arithmetic number, because the mean of its divisors is an integer number (34716121776).

Almost surely, 2^{1022201111200} is an apocalyptic number.

1022201111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022201111200 is an abundant number, since it is smaller than the sum of its proper divisors (1477359656672).

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

1022201111200 is a wasteful number, since it uses less digits than its factorization.

1022201111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105654 (or 2105641 counting only the distinct ones).

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

Adding to 1022201111200 its reverse (21111022201), we get a palindrome (1043312133401).

The spelling of 1022201111200 in words is "one trillion, twenty-two billion, two hundred one million, one hundred eleven thousand, two hundred".