100110222281 has 2 divisors, whose sum is σ = 100110222282. Its totient is φ = 100110222280.

The previous prime is 100110222253. The next prime is 100110222337. The reversal of 100110222281 is 182222011001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79575332281 + 20534890000 = 282091^2 + 143300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100110222281 is a prime.

It is a super-2 number, since 2×100110222281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100110282281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055111140 + 50055111141.

It is an arithmetic number, because the mean of its divisors is an integer number (50055111141).

Almost surely, 2^100110222281 is an apocalyptic number.

It is an amenable number.

100110222281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100110222281 is an equidigital number, since it uses as much as digits as its factorization.

100110222281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100110222281 its reverse (182222011001), we get a palindrome (282332233282).

The spelling of 100110222281 in words is "one hundred billion, one hundred ten million, two hundred twenty-two thousand, two hundred eighty-one".