111121963 has 2 divisors, whose sum is σ = 111121964. Its totient is φ = 111121962.

The previous prime is 111121943. The next prime is 111121999. The reversal of 111121963 is 369121111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111121963 is a prime.

It is not a weakly prime, because it can be changed into another prime (111121943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560981 + 55560982.

It is an arithmetic number, because the mean of its divisors is an integer number (55560982).

Almost surely, 2^111121963 is an apocalyptic number.

111121963 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121963 is an equidigital number, since it uses as much as digits as its factorization.

111121963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 25.

The square root of 111121963 is about 10541.4402716137. The cubic root of 111121963 is about 480.7655073917.

The spelling of 111121963 in words is "one hundred eleven million, one hundred twenty-one thousand, nine hundred sixty-three".