1023113210111 has 4 divisors (see below), whose sum is σ = 1027003374672. Its totient is φ = 1019223045552.

The previous prime is 1023113210107. The next prime is 1023113210117. The reversal of 1023113210111 is 1110123113201.

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 1023113210111 - 2² = 1023113210107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023113210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023113210117) 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, 1945081886 + ... + 1945082411.

It is an arithmetic number, because the mean of its divisors is an integer number (256750843668).

Almost surely, 2^{1023113210111} is an apocalyptic number.

1023113210111 is a deficient number, since it is larger than the sum of its proper divisors (3890164561).

1023113210111 is an equidigital number, since it uses as much as digits as its factorization.

1023113210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890164560.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1023113210111 its reverse (1110123113201), we get a palindrome (2133236323312).

The spelling of 1023113210111 in words is "one trillion, twenty-three billion, one hundred thirteen million, two hundred ten thousand, one hundred eleven".