23120102321111 has 4 divisors (see below), whose sum is σ = 23120135495400. Its totient is φ = 23120069146824.

The previous prime is 23120102321087. The next prime is 23120102321131. The reversal of 23120102321111 is 11112320102132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120102321111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120102321131) 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, 15518816 + ... + 16943253.

It is an arithmetic number, because the mean of its divisors is an integer number (5780033873850).

Almost surely, 2^{23120102321111} is an apocalyptic number.

23120102321111 is a deficient number, since it is larger than the sum of its proper divisors (33174289).

23120102321111 is an equidigital number, since it uses as much as digits as its factorization.

23120102321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174288.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 23120102321111 its reverse (11112320102132), we get a palindrome (34232422423243).

The spelling of 23120102321111 in words is "twenty-three trillion, one hundred twenty billion, one hundred two million, three hundred twenty-one thousand, one hundred eleven".