100102211123 has 4 divisors (see below), whose sum is σ = 100422026808. Its totient is φ = 99782395440.

The previous prime is 100102211117. The next prime is 100102211161. The reversal of 100102211123 is 321112201001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321112201001 = 199739 ⋅1607659.

It is a cyclic number.

It is not a de Polignac number, because 100102211123 - 2¹⁰ = 100102210099 is a prime.

It is a super-2 number, since 2×100102211123² (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 = 100102211098 and 100102211107.

It is not an unprimeable number, because it can be changed into a prime (100102211023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159907373 + ... + 159907998.

It is an arithmetic number, because the mean of its divisors is an integer number (25105506702).

Almost surely, 2^100102211123 is an apocalyptic number.

100102211123 is a deficient number, since it is larger than the sum of its proper divisors (319815685).

100102211123 is an equidigital number, since it uses as much as digits as its factorization.

100102211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319815684.

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

Adding to 100102211123 its reverse (321112201001), we get a palindrome (421214412124).

The spelling of 100102211123 in words is "one hundred billion, one hundred two million, two hundred eleven thousand, one hundred twenty-three".