23210001111111 has 16 divisors (see below), whose sum is σ = 30962992566528. Its totient is φ = 15465174032000.

The previous prime is 23210001111109. The next prime is 23210001111113. The reversal of 23210001111111 is 11111110001232.

It is an interprime number because it is at equal distance from previous prime (23210001111109) and next prime (23210001111113).

It is a cyclic number.

It is not a de Polignac number, because 23210001111111 - 2¹ = 23210001111109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210001111113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43183750 + ... + 43717916.

It is an arithmetic number, because the mean of its divisors is an integer number (1935187035408).

Almost surely, 2^{23210001111111} is an apocalyptic number.

23210001111111 is a deficient number, since it is larger than the sum of its proper divisors (7752991455417).

23210001111111 is a wasteful number, since it uses less digits than its factorization.

23210001111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541782.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 23210001111111 its reverse (11111110001232), we get a palindrome (34321111112343).

The spelling of 23210001111111 in words is "twenty-three trillion, two hundred ten billion, one million, one hundred eleven thousand, one hundred eleven".