120120221111000 has 128 divisors (see below), whose sum is σ = 306645579040320. Its totient is φ = 43678454400000.

The previous prime is 120120221110993. The next prime is 120120221111047. The reversal of 120120221111000 is 111122021021.

It is a super-4 number, since 4×120120221111000⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

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, 317942210 + ... + 318319790.

Almost surely, 2^{120120221111000} is an apocalyptic number.

120120221111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120120221111000 is an abundant number, since it is smaller than the sum of its proper divisors (186525357929320).

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

120120221111000 is a wasteful number, since it uses less digits than its factorization.

120120221111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406534 (or 406520 counting only the distinct ones).

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

Adding to 120120221111000 its reverse (111122021021), we get a palindrome (120231343132021).

The spelling of 120120221111000 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand".