123120100211 has 8 divisors (see below), whose sum is σ = 123861601920. Its totient is φ = 122380371648.

The previous prime is 123120100177. The next prime is 123120100273. The reversal of 123120100211 is 112001021321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123120100211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123120100291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303866 + ... + 581871.

It is an arithmetic number, because the mean of its divisors is an integer number (15482700240).

Almost surely, 2^123120100211 is an apocalyptic number.

123120100211 is a deficient number, since it is larger than the sum of its proper divisors (741501709).

123120100211 is an equidigital number, since it uses as much as digits as its factorization.

123120100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886573.

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

Adding to 123120100211 its reverse (112001021321), we get a palindrome (235121121532).

The spelling of 123120100211 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred thousand, two hundred eleven".