220011221001200 has 60 divisors (see below), whose sum is σ = 528578418845760. Its totient is φ = 88004245255680.

The previous prime is 220011221001193. The next prime is 220011221001217. The reversal of 220011221001200 is 2100122110022.

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, 237365057 + ... + 238290143.

It is an arithmetic number, because the mean of its divisors is an integer number (8809640314096).

Almost surely, 2^{220011221001200} is an apocalyptic number.

220011221001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011221001200 is an abundant number, since it is smaller than the sum of its proper divisors (308567197844560).

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

220011221001200 is a wasteful number, since it uses less digits than its factorization.

220011221001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519674 (or 1519663 counting only the distinct ones).

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

Adding to 220011221001200 its reverse (2100122110022), we get a palindrome (222111343111222).

The spelling of 220011221001200 in words is "two hundred twenty trillion, eleven billion, two hundred twenty-one million, one thousand, two hundred".