111422141 has 2 divisors, whose sum is σ = 111422142. Its totient is φ = 111422140.

The previous prime is 111422123. The next prime is 111422161. The reversal of 111422141 is 141224111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106708900 + 4713241 = 10330^2 + 2171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111422141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111422111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55711070 + 55711071.

It is an arithmetic number, because the mean of its divisors is an integer number (55711071).

Almost surely, 2^111422141 is an apocalyptic number.

It is an amenable number.

111422141 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422141 is an equidigital number, since it uses as much as digits as its factorization.

111422141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 17.

The square root of 111422141 is about 10555.6686666454. The cubic root of 111422141 is about 481.1980215746.

Adding to 111422141 its reverse (141224111), we get a palindrome (252646252).

The spelling of 111422141 in words is "one hundred eleven million, four hundred twenty-two thousand, one hundred forty-one".