10102210123 has 4 divisors (see below), whose sum is σ = 10102610728. Its totient is φ = 10101809520.

The previous prime is 10102210091. The next prime is 10102210147. The reversal of 10102210123 is 32101220101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32101220101 = 47 ⋅683004683.

It is a cyclic number.

It is not a de Polignac number, because 10102210123 - 2⁵ = 10102210091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102210163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159738 + ... + 213823.

It is an arithmetic number, because the mean of its divisors is an integer number (2525652682).

Almost surely, 2^10102210123 is an apocalyptic number.

10102210123 is a deficient number, since it is larger than the sum of its proper divisors (400605).

10102210123 is an equidigital number, since it uses as much as digits as its factorization.

10102210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400604.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10102210123 its reverse (32101220101), we get a palindrome (42203430224).

The spelling of 10102210123 in words is "ten billion, one hundred two million, two hundred ten thousand, one hundred twenty-three".