222100110001220 has 48 divisors (see below), whose sum is σ = 511368001200000. Its totient is φ = 80357828728320.

The previous prime is 222100110001199. The next prime is 222100110001361. The reversal of 222100110001220 is 22100011001222.

222100110001220 is digitally balanced in base 2, 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 = 222100110001195 and 222100110001204.

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, 2536503845 + ... + 2536591404.

It is an arithmetic number, because the mean of its divisors is an integer number (10653500025000).

Almost surely, 2^{222100110001220} is an apocalyptic number.

222100110001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100110001220 is an abundant number, since it is smaller than the sum of its proper divisors (289267891198780).

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

222100110001220 is a wasteful number, since it uses less digits than its factorization.

222100110001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073095468 (or 5073095466 counting only the distinct ones).

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

Adding to 222100110001220 its reverse (22100011001222), we get a palindrome (244200121002442).

It can be divided in two parts, 2221001 and 10001220, that added together give a palindrome (12222221).

The spelling of 222100110001220 in words is "two hundred twenty-two trillion, one hundred billion, one hundred ten million, one thousand, two hundred twenty".