220211221222000 has 160 divisors (see below), whose sum is σ = 533463297913728. Its totient is φ = 87920352000000.

The previous prime is 220211221221991. The next prime is 220211221222133. The reversal of 220211221222000 is 222122112022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7189146685 + ... + 7189177315.

Almost surely, 2^{220211221222000} is an apocalyptic number.

220211221222000 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 220211221222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266731648956864).

220211221222000 is an abundant number, since it is smaller than the sum of its proper divisors (313252076691728).

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

220211221222000 is a wasteful number, since it uses less digits than its factorization.

220211221222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37236 (or 37220 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220211221222000 its reverse (222122112022), we get a palindrome (220433343334022).

The spelling of 220211221222000 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand".