222121011011200 has 96 divisors (see below), whose sum is σ = 627095211507360. Its totient is φ = 76155775196160.

The previous prime is 222121011011189. The next prime is 222121011011231. The reversal of 222121011011200 is 2110110121222.

It is a super-3 number, since 3×222121011011200³ (a number of 44 digits) contains 333 as substring.

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, 4958035882 + ... + 4958080681.

It is an arithmetic number, because the mean of its divisors is an integer number (6532241786535).

Almost surely, 2^{222121011011200} is an apocalyptic number.

222121011011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222121011011200 is an abundant number, since it is smaller than the sum of its proper divisors (404974200496160).

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

222121011011200 is an equidigital number, since it uses as much as digits as its factorization.

222121011011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916116594 (or 9916116577 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222121011011200 its reverse (2110110121222), we get a palindrome (224231121132422).

The spelling of 222121011011200 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, eleven million, eleven thousand, two hundred".