100120111222123 has 2 divisors, whose sum is σ = 100120111222124. Its totient is φ = 100120111222122.

The previous prime is 100120111222093. The next prime is 100120111222139. The reversal of 100120111222123 is 321222111021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120111222123 is a prime.

It is a super-2 number, since 2×100120111222123² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100120111222123.

It is not a weakly prime, because it can be changed into another prime (100120111222193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060055611061 + 50060055611062.

It is an arithmetic number, because the mean of its divisors is an integer number (50060055611062).

Almost surely, 2^{100120111222123} is an apocalyptic number.

100120111222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120111222123 is an equidigital number, since it uses as much as digits as its factorization.

100120111222123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 100120111222123 its reverse (321222111021001), we get a palindrome (421342222243124).

The spelling of 100120111222123 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-three".