120873228111 has 24 divisors (see below), whose sum is σ = 180163368944. Its totient is φ = 78032626560.

The previous prime is 120873228103. The next prime is 120873228139. The reversal of 120873228111 is 111822378021.

It is not a de Polignac number, because 120873228111 - 2³ = 120873228103 is a prime.

It is a super-2 number, since 2×120873228111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120873228911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789886 + ... + 930411.

Almost surely, 2^120873228111 is an apocalyptic number.

120873228111 is a deficient number, since it is larger than the sum of its proper divisors (59290140833).

120873228111 is a wasteful number, since it uses less digits than its factorization.

120873228111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720551 (or 1720548 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 120873228111 in words is "one hundred twenty billion, eight hundred seventy-three million, two hundred twenty-eight thousand, one hundred eleven".