101111210023 has 4 divisors (see below), whose sum is σ = 101177601048. Its totient is φ = 101044819000.

The previous prime is 101111209957. The next prime is 101111210051. The reversal of 101111210023 is 320012111101.

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: 320012111101 = 1709 ⋅187251089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101111210023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111209985 and 101111210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111210423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33193228 + ... + 33196273.

It is an arithmetic number, because the mean of its divisors is an integer number (25294400262).

Almost surely, 2^101111210023 is an apocalyptic number.

101111210023 is a deficient number, since it is larger than the sum of its proper divisors (66391025).

101111210023 is an equidigital number, since it uses as much as digits as its factorization.

101111210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66391024.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101111210023 its reverse (320012111101), we get a palindrome (421123321124).

The spelling of 101111210023 in words is "one hundred one billion, one hundred eleven million, two hundred ten thousand, twenty-three".