100120022123 has 16 divisors (see below), whose sum is σ = 112986731520. Its totient is φ = 87893378400.

The previous prime is 100120022099. The next prime is 100120022159. The reversal of 100120022123 is 321220021001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100120022123 - 2¹⁸ = 100119759979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120022098 and 100120022107.

It is not an unprimeable number, because it can be changed into a prime (100120022623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155108 + ... + 473601.

It is an arithmetic number, because the mean of its divisors is an integer number (7061670720).

Almost surely, 2^100120022123 is an apocalyptic number.

100120022123 is a deficient number, since it is larger than the sum of its proper divisors (12866709397).

100120022123 is a wasteful number, since it uses less digits than its factorization.

100120022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629218.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100120022123 its reverse (321220021001), we get a palindrome (421340043124).

The spelling of 100120022123 in words is "one hundred billion, one hundred twenty million, twenty-two thousand, one hundred twenty-three".