120211100220 has 48 divisors (see below), whose sum is σ = 337234746240. Its totient is φ = 31994991936.

The previous prime is 120211100197. The next prime is 120211100239. The reversal of 120211100220 is 22001112021.

It is a super-2 number, since 2×120211100220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120211100196 and 120211100205.

It is a congruent number.

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, 1884030 + ... + 1946789.

It is an arithmetic number, because the mean of its divisors is an integer number (7025723880).

Almost surely, 2^120211100220 is an apocalyptic number.

120211100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211100220 is an abundant number, since it is smaller than the sum of its proper divisors (217023646020).

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

120211100220 is a wasteful number, since it uses less digits than its factorization.

120211100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831354 (or 3831352 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120211100220 its reverse (22001112021), we get a palindrome (142212212241).

The spelling of 120211100220 in words is "one hundred twenty billion, two hundred eleven million, one hundred thousand, two hundred twenty".