10023111011 has 4 divisors (see below), whose sum is σ = 10075588224. Its totient is φ = 9970633800.

The previous prime is 10023111001. The next prime is 10023111029. The reversal of 10023111011 is 11011132001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11011132001 = 3919 ⋅2809679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10023111011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10023110983 and 10023111001.

It is not an unprimeable number, because it can be changed into a prime (10023111001) 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, 26238320 + ... + 26238701.

It is an arithmetic number, because the mean of its divisors is an integer number (2518897056).

Almost surely, 2^10023111011 is an apocalyptic number.

10023111011 is a deficient number, since it is larger than the sum of its proper divisors (52477213).

10023111011 is an equidigital number, since it uses as much as digits as its factorization.

10023111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52477212.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10023111011 its reverse (11011132001), we get a palindrome (21034243012).

The spelling of 10023111011 in words is "ten billion, twenty-three million, one hundred eleven thousand, eleven".