120100211123 has 4 divisors (see below), whose sum is σ = 121620467040. Its totient is φ = 118579955208.

The previous prime is 120100211113. The next prime is 120100211171. The reversal of 120100211123 is 321112001021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120100211123 is a prime.

It is a super-2 number, since 2×120100211123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100211098 and 120100211107.

It is not an unprimeable number, because it can be changed into a prime (120100211113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760127840 + ... + 760127997.

It is an arithmetic number, because the mean of its divisors is an integer number (30405116760).

Almost surely, 2^120100211123 is an apocalyptic number.

120100211123 is a deficient number, since it is larger than the sum of its proper divisors (1520255917).

120100211123 is an equidigital number, since it uses as much as digits as its factorization.

120100211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520255916.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120100211123 its reverse (321112001021), we get a palindrome (441212212144).

The spelling of 120100211123 in words is "one hundred twenty billion, one hundred million, two hundred eleven thousand, one hundred twenty-three".