111220121222053 has 2 divisors, whose sum is σ = 111220121222054. Its totient is φ = 111220121222052.

The previous prime is 111220121222047. The next prime is 111220121222167. The reversal of 111220121222053 is 350222121022111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102276773787204 + 8943347434849 = 10113198^2 + 2990543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111220121222053 is a prime.

It is a super-2 number, since 2×111220121222053² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220121022053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610060611026 + 55610060611027.

It is an arithmetic number, because the mean of its divisors is an integer number (55610060611027).

Almost surely, 2^{111220121222053} is an apocalyptic number.

It is an amenable number.

111220121222053 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220121222053 is an equidigital number, since it uses as much as digits as its factorization.

111220121222053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 111220121222053 its reverse (350222121022111), we get a palindrome (461442242244164).

The spelling of 111220121222053 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, fifty-three".