100110002221 has 2 divisors, whose sum is σ = 100110002222. Its totient is φ = 100110002220.

The previous prime is 100110002149. The next prime is 100110002233. The reversal of 100110002221 is 122200011001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86171602500 + 13938399721 = 293550^2 + 118061^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110002221 - 2¹¹ = 100110000173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100110002198 and 100110002207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100110002261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055001110 + 50055001111.

It is an arithmetic number, because the mean of its divisors is an integer number (50055001111).

Almost surely, 2^100110002221 is an apocalyptic number.

It is an amenable number.

100110002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100110002221 is an equidigital number, since it uses as much as digits as its factorization.

100110002221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100110002221 its reverse (122200011001), we get a palindrome (222310013222).

The spelling of 100110002221 in words is "one hundred billion, one hundred ten million, two thousand, two hundred twenty-one".