111010022281 has 2 divisors, whose sum is σ = 111010022282. Its totient is φ = 111010022280.

The previous prime is 111010022237. The next prime is 111010022303. The reversal of 111010022281 is 182220010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110689290000 + 320732281 = 332700^2 + 17909^2 .

It is an emirp because it is prime and its reverse (182220010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010022281 - 2⁹ = 111010021769 is a prime.

It is a super-2 number, since 2×111010022281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111010022881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505011140 + 55505011141.

It is an arithmetic number, because the mean of its divisors is an integer number (55505011141).

Almost surely, 2^111010022281 is an apocalyptic number.

It is an amenable number.

111010022281 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010022281 is an equidigital number, since it uses as much as digits as its factorization.

111010022281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111010022281 its reverse (182220010111), we get a palindrome (293230032392).

The spelling of 111010022281 in words is "one hundred eleven billion, ten million, twenty-two thousand, two hundred eighty-one".