222120121100000 has 72 divisors (see below), whose sum is σ = 546588751846536. Its totient is φ = 88848048400000.

The previous prime is 222120121099999. The next prime is 222120121100051. The reversal of 222120121100000 is 1121021222.

It is a super-3 number, since 3×222120121100000³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

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, 1110500606 + ... + 1110700605.

It is an arithmetic number, because the mean of its divisors is an integer number (7591510442313).

Almost surely, 2^{222120121100000} is an apocalyptic number.

222120121100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120121100000 is an abundant number, since it is smaller than the sum of its proper divisors (324468630746536).

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

222120121100000 is an frugal number, since it uses more digits than its factorization.

222120121100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221201246 (or 2221201218 counting only the distinct ones).

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

Adding to 222120121100000 its reverse (1121021222), we get a palindrome (222121242121222).

The spelling of 222120121100000 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, one hundred thousand".