111111227153 has 2 divisors, whose sum is σ = 111111227154. Its totient is φ = 111111227152.

The previous prime is 111111227113. The next prime is 111111227159. The reversal of 111111227153 is 351722111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64025699089 + 47085528064 = 253033^2 + 216992^2 .

It is a cyclic number.

It is not a de Polignac number, because 111111227153 - 2¹² = 111111223057 is a prime.

It is not a weakly prime, because it can be changed into another prime (111111227159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555613576 + 55555613577.

It is an arithmetic number, because the mean of its divisors is an integer number (55555613577).

Almost surely, 2^111111227153 is an apocalyptic number.

It is an amenable number.

111111227153 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111227153 is an equidigital number, since it uses as much as digits as its factorization.

111111227153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 26.

Adding to 111111227153 its reverse (351722111111), we get a palindrome (462833338264).

The spelling of 111111227153 in words is "one hundred eleven billion, one hundred eleven million, two hundred twenty-seven thousand, one hundred fifty-three".