222101201021200 has 60 divisors (see below), whose sum is σ = 536391843153408. Its totient is φ = 88375346972800.

The previous prime is 222101201021173. The next prime is 222101201021221. The reversal of 222101201021200 is 2120102101222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1453465492 + ... + 1453618291.

Almost surely, 2^{222101201021200} is an apocalyptic number.

222101201021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101201021200 is an abundant number, since it is smaller than the sum of its proper divisors (314290642132208).

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

222101201021200 is a wasteful number, since it uses less digits than its factorization.

222101201021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907083992 (or 2907083981 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101201021200 its reverse (2120102101222), we get a palindrome (224221303122422).

The spelling of 222101201021200 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred one million, twenty-one thousand, two hundred".