220001222100000 has 288 divisors, whose sum is σ = 787453986094272. Its totient is φ = 53333628800000.

The previous prime is 220001222099993. The next prime is 220001222100043. The reversal of 220001222100000 is 1222100022.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 30033519 + ... + 36633518.

It is an arithmetic number, because the mean of its divisors is an integer number (2734215229494).

Almost surely, 2^{220001222100000} is an apocalyptic number.

220001222100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001222100000 is an abundant number, since it is smaller than the sum of its proper divisors (567452763994272).

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

220001222100000 is an equidigital number, since it uses as much as digits as its factorization.

220001222100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66667086 (or 66667058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220001222100000 its reverse (1222100022), we get a palindrome (220002444200022).

The spelling of 220001222100000 in words is "two hundred twenty trillion, one billion, two hundred twenty-two million, one hundred thousand".