100002222123 has 32 divisors (see below), whose sum is σ = 148574269440. Its totient is φ = 59584398720.

The previous prime is 100002222113. The next prime is 100002222179. The reversal of 100002222123 is 321222200001.

It is a happy number.

It is not a de Polignac number, because 100002222123 - 2⁹ = 100002221611 is a prime.

It is a super-5 number, since 5×100002222123⁵ (a number of 56 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (100002222113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744036 + ... + 868097.

It is an arithmetic number, because the mean of its divisors is an integer number (4642945920).

Almost surely, 2^100002222123 is an apocalyptic number.

100002222123 is a deficient number, since it is larger than the sum of its proper divisors (48572047317).

100002222123 is a wasteful number, since it uses less digits than its factorization.

100002222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612219.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 100002222123 its reverse (321222200001), we get a palindrome (421224422124).

The spelling of 100002222123 in words is "one hundred billion, two million, two hundred twenty-two thousand, one hundred twenty-three".