1011000022217 has 2 divisors, whose sum is σ = 1011000022218. Its totient is φ = 1011000022216.

The previous prime is 1011000022187. The next prime is 1011000022247. The reversal of 1011000022217 is 7122200001101.

It is a balanced prime because it is at equal distance from previous prime (1011000022187) and next prime (1011000022247).

It can be written as a sum of positive squares in only one way, i.e., 1006352055241 + 4647966976 = 1003171^2 + 68176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011000022217 - 2¹⁴ = 1011000005833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011000022195 and 1011000022204.

It is not a weakly prime, because it can be changed into another prime (1011000022247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505500011108 + 505500011109.

It is an arithmetic number, because the mean of its divisors is an integer number (505500011109).

Almost surely, 2^{1011000022217} is an apocalyptic number.

It is an amenable number.

1011000022217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011000022217 is an equidigital number, since it uses as much as digits as its factorization.

1011000022217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1011000022217 its reverse (7122200001101), we get a palindrome (8133200023318).

The spelling of 1011000022217 in words is "one trillion, eleven billion, twenty-two thousand, two hundred seventeen".