101112251111 has 2 divisors, whose sum is σ = 101112251112. Its totient is φ = 101112251110.

The previous prime is 101112251083. The next prime is 101112251131. The reversal of 101112251111 is 111152211101.

It is a strong prime.

It is an emirp because it is prime and its reverse (111152211101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101112251111 - 2²² = 101108056807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101112251111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101112251131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50556125555 + 50556125556.

It is an arithmetic number, because the mean of its divisors is an integer number (50556125556).

Almost surely, 2^101112251111 is an apocalyptic number.

101112251111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101112251111 is an equidigital number, since it uses as much as digits as its factorization.

101112251111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 101112251111 its reverse (111152211101), we get a palindrome (212264462212).

The spelling of 101112251111 in words is "one hundred one billion, one hundred twelve million, two hundred fifty-one thousand, one hundred eleven".