201111213293 has 2 divisors, whose sum is σ = 201111213294. Its totient is φ = 201111213292.

The previous prime is 201111213241. The next prime is 201111213343. The reversal of 201111213293 is 392312111102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104612139844 + 96499073449 = 323438^2 + 310643^2 .

It is a cyclic number.

It is not a de Polignac number, because 201111213293 - 2³⁴ = 183931344109 is a prime.

It is a super-2 number, since 2×201111213293² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201111213223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555606646 + 100555606647.

It is an arithmetic number, because the mean of its divisors is an integer number (100555606647).

Almost surely, 2^201111213293 is an apocalyptic number.

It is an amenable number.

201111213293 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111213293 is an equidigital number, since it uses as much as digits as its factorization.

201111213293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 201111213293 its reverse (392312111102), we get a palindrome (593423324395).

The spelling of 201111213293 in words is "two hundred one billion, one hundred eleven million, two hundred thirteen thousand, two hundred ninety-three".