2211011120120 has 64 divisors (see below), whose sum is σ = 5435494489440. Its totient is φ = 802749644800.

The previous prime is 2211011120077. The next prime is 2211011120147. The reversal of 2211011120120 is 210211101122.

It is a junction number, because it is equal to n+sod(n) for n = 2211011120095 and 2211011120104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3637637 + ... + 4201716.

Almost surely, 2^{2211011120120} is an apocalyptic number.

2211011120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211011120120 is an abundant number, since it is smaller than the sum of its proper divisors (3224483369320).

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

2211011120120 is a wasteful number, since it uses less digits than its factorization.

2211011120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840016 (or 7840012 counting only the distinct ones).

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

Adding to 2211011120120 its reverse (210211101122), we get a palindrome (2421222221242).

The spelling of 2211011120120 in words is "two trillion, two hundred eleven billion, eleven million, one hundred twenty thousand, one hundred twenty".