23111144112102 has 32 divisors (see below), whose sum is σ = 46262664792288. Its totient is φ = 7696986909696.

The previous prime is 23111144112101. The next prime is 23111144112127. The reversal of 23111144112102 is 20121144111132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111144112101) 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, 57573078 + ... + 57973110.

It is an arithmetic number, because the mean of its divisors is an integer number (1445708274759).

Almost surely, 2^{23111144112102} is an apocalyptic number.

23111144112102 is an abundant number, since it is smaller than the sum of its proper divisors (23151520680186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111144112102 is a wasteful number, since it uses less digits than its factorization.

23111144112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408424.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 23111144112102 its reverse (20121144111132), we get a palindrome (43232288223234).

The spelling of 23111144112102 in words is "twenty-three trillion, one hundred eleven billion, one hundred forty-four million, one hundred twelve thousand, one hundred two".