120211110001220 has 96 divisors (see below), whose sum is σ = 308223930577920. Its totient is φ = 38463238281600.

The previous prime is 120211110001117. The next prime is 120211110001231. The reversal of 120211110001220 is 22100011112021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120211110001195 and 120211110001204.

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, 337076606 + ... + 337433045.

It is an arithmetic number, because the mean of its divisors is an integer number (3210665943520).

Almost surely, 2^{120211110001220} is an apocalyptic number.

120211110001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211110001220 is an abundant number, since it is smaller than the sum of its proper divisors (188012820576700).

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

120211110001220 is a wasteful number, since it uses less digits than its factorization.

120211110001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674509753 (or 674509751 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120211110001220 its reverse (22100011112021), we get a palindrome (142311121113241).

The spelling of 120211110001220 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred ten million, one thousand, two hundred twenty".