222101001111220 has 96 divisors (see below), whose sum is σ = 582612661241856. Its totient is φ = 69093921974400.

The previous prime is 222101001111137. The next prime is 222101001111271. The reversal of 222101001111220 is 22111100101222.

It is a super-2 number, since 2×222101001111220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222101001111194 and 222101001111203.

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, 137073576 + ... + 138684415.

It is an arithmetic number, because the mean of its divisors is an integer number (6068881887936).

Almost surely, 2^{222101001111220} is an apocalyptic number.

222101001111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101001111220 is an abundant number, since it is smaller than the sum of its proper divisors (360511660130636).

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

222101001111220 is a wasteful number, since it uses less digits than its factorization.

222101001111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275758541 (or 275758539 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222101001111220 its reverse (22111100101222), we get a palindrome (244212101212442).

The spelling of 222101001111220 in words is "two hundred twenty-two trillion, one hundred one billion, one million, one hundred eleven thousand, two hundred twenty".