120100222220 has 36 divisors (see below), whose sum is σ = 277223080512. Its totient is φ = 43672807200.

The previous prime is 120100222171. The next prime is 120100222241. The reversal of 120100222220 is 22222001021.

It is a junction number, because it is equal to n+sod(n) for n = 120100222195 and 120100222204.

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, 24811676 + ... + 24816515.

Almost surely, 2^120100222220 is an apocalyptic number.

120100222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100222220 is an abundant number, since it is smaller than the sum of its proper divisors (157122858292).

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

120100222220 is a wasteful number, since it uses less digits than its factorization.

120100222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49628222 (or 49628209 counting only the distinct ones).

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

Adding to 120100222220 its reverse (22222001021), we get a palindrome (142322223241).

The spelling of 120100222220 in words is "one hundred twenty billion, one hundred million, two hundred twenty-two thousand, two hundred twenty".