111220010357 has 2 divisors, whose sum is σ = 111220010358. Its totient is φ = 111220010356.

The previous prime is 111220010131. The next prime is 111220010387. The reversal of 111220010357 is 753010022111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83446454641 + 27773555716 = 288871^2 + 166654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111220010357 is a prime.

It is a super-2 number, since 2×111220010357² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111220010387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610005178 + 55610005179.

It is an arithmetic number, because the mean of its divisors is an integer number (55610005179).

Almost surely, 2^111220010357 is an apocalyptic number.

It is an amenable number.

111220010357 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220010357 is an equidigital number, since it uses as much as digits as its factorization.

111220010357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 111220010357 its reverse (753010022111), we get a palindrome (864230032468).

The spelling of 111220010357 in words is "one hundred eleven billion, two hundred twenty million, ten thousand, three hundred fifty-seven".