120111002221220 has 48 divisors (see below), whose sum is σ = 255429938453760. Its totient is φ = 47435499261696.

The previous prime is 120111002221213. The next prime is 120111002221267. The reversal of 120111002221220 is 22122200111021.

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, 106123424 + ... + 107249256.

It is an arithmetic number, because the mean of its divisors is an integer number (5321457051120).

Almost surely, 2^{120111002221220} is an apocalyptic number.

120111002221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111002221220 is an abundant number, since it is smaller than the sum of its proper divisors (135318936232540).

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

120111002221220 is a wasteful number, since it uses less digits than its factorization.

120111002221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193444 (or 1193442 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120111002221220 its reverse (22122200111021), we get a palindrome (142233202332241).

The spelling of 120111002221220 in words is "one hundred twenty trillion, one hundred eleven billion, two million, two hundred twenty-one thousand, two hundred twenty".