222111022100000 has 288 divisors, whose sum is σ = 596350716861312. Its totient is φ = 80754572800000.

The previous prime is 222111022099997. The next prime is 222111022100017. The reversal of 222111022100000 is 1220111222.

It is a super-2 number, since 2×222111022100000² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9100287797 + ... + 9100312203.

It is an arithmetic number, because the mean of its divisors is an integer number (2070662211324).

Almost surely, 2^{222111022100000} is an apocalyptic number.

222111022100000 is a gapful number since it is divisible by the number (20) 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 222111022100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298175358430656).

222111022100000 is an abundant number, since it is smaller than the sum of its proper divisors (374239694761312).

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

222111022100000 is an equidigital number, since it uses as much as digits as its factorization.

222111022100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32726 (or 32698 counting only the distinct ones).

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

Adding to 222111022100000 its reverse (1220111222), we get a palindrome (222112242211222).

The spelling of 222111022100000 in words is "two hundred twenty-two trillion, one hundred eleven billion, twenty-two million, one hundred thousand".