120011122011220 has 24 divisors (see below), whose sum is σ = 274934570426208. Its totient is φ = 43640408004000.

The previous prime is 120011122011203. The next prime is 120011122011247. The reversal of 120011122011220 is 22110221110021.

It is a junction number, because it is equal to n+sod(n) for n = 120011122011194 and 120011122011203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272752549806 + ... + 272752550245.

It is an arithmetic number, because the mean of its divisors is an integer number (11455607101092).

Almost surely, 2^{120011122011220} is an apocalyptic number.

120011122011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011122011220 is an abundant number, since it is smaller than the sum of its proper divisors (154923448414988).

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

120011122011220 is a wasteful number, since it uses less digits than its factorization.

120011122011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545505100071 (or 545505100069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120011122011220 its reverse (22110221110021), we get a palindrome (142121343121241).

The spelling of 120011122011220 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-two million, eleven thousand, two hundred twenty".