222100201220 has 48 divisors (see below), whose sum is σ = 482768283648. Its totient is φ = 85739921280.

The previous prime is 222100201207. The next prime is 222100201261. The reversal of 222100201220 is 22102001222.

222100201220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222100201195 and 222100201204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260507 + ... + 715586.

It is an arithmetic number, because the mean of its divisors is an integer number (10057672576).

Almost surely, 2^222100201220 is an apocalyptic number.

222100201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100201220 is an abundant number, since it is smaller than the sum of its proper divisors (260668082428).

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

222100201220 is a wasteful number, since it uses less digits than its factorization.

222100201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976500 (or 976498 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222100201220 its reverse (22102001222), we get a palindrome (244202202442).

The spelling of 222100201220 in words is "two hundred twenty-two billion, one hundred million, two hundred one thousand, two hundred twenty".