10211013123 has 4 divisors (see below), whose sum is σ = 13614684168. Its totient is φ = 6807342080.

The previous prime is 10211013119. The next prime is 10211013157. The reversal of 10211013123 is 32131011201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10211013123 - 2² = 10211013119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10211013023) 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, 1701835518 + ... + 1701835523.

It is an arithmetic number, because the mean of its divisors is an integer number (3403671042).

Almost surely, 2^10211013123 is an apocalyptic number.

10211013123 is a deficient number, since it is larger than the sum of its proper divisors (3403671045).

10211013123 is an equidigital number, since it uses as much as digits as its factorization.

10211013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403671044.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10211013123 its reverse (32131011201), we get a palindrome (42342024324).

The spelling of 10211013123 in words is "ten billion, two hundred eleven million, thirteen thousand, one hundred twenty-three".