211102112023 has 4 divisors (see below), whose sum is σ = 230293213128. Its totient is φ = 191911010920.

The previous prime is 211102111933. The next prime is 211102112033. The reversal of 211102112023 is 320211201112.

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 211102112023 - 2⁹ = 211102111511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211102111988 and 211102112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102112033) 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, 9595550536 + ... + 9595550557.

It is an arithmetic number, because the mean of its divisors is an integer number (57573303282).

Almost surely, 2^211102112023 is an apocalyptic number.

211102112023 is a deficient number, since it is larger than the sum of its proper divisors (19191101105).

211102112023 is a wasteful number, since it uses less digits than its factorization.

211102112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191101104.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211102112023 its reverse (320211201112), we get a palindrome (531313313135).

The spelling of 211102112023 in words is "two hundred eleven billion, one hundred two million, one hundred twelve thousand, twenty-three".