2011020112217 has 2 divisors, whose sum is σ = 2011020112218. Its totient is φ = 2011020112216.

The previous prime is 2011020112183. The next prime is 2011020112249. The reversal of 2011020112217 is 7122110201102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149132544576 + 861887567641 = 1071976^2 + 928379^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011020112217 - 2¹⁶ = 2011020046681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011020112417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510056108 + 1005510056109.

It is an arithmetic number, because the mean of its divisors is an integer number (1005510056109).

Almost surely, 2^{2011020112217} is an apocalyptic number.

It is an amenable number.

2011020112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011020112217 is an equidigital number, since it uses as much as digits as its factorization.

2011020112217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 2011020112217 its reverse (7122110201102), we get a palindrome (9133130313319).

The spelling of 2011020112217 in words is "two trillion, eleven billion, twenty million, one hundred twelve thousand, two hundred seventeen".