11312004211 has 2 divisors, whose sum is σ = 11312004212. Its totient is φ = 11312004210.

The previous prime is 11312004163. The next prime is 11312004259. The reversal of 11312004211 is 11240021311.

It is a balanced prime because it is at equal distance from previous prime (11312004163) and next prime (11312004259).

It is a cyclic number.

It is not a de Polignac number, because 11312004211 - 2¹³ = 11311996019 is a prime.

It is a super-2 number, since 2×11312004211² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11312004511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656002105 + 5656002106.

It is an arithmetic number, because the mean of its divisors is an integer number (5656002106).

Almost surely, 2^11312004211 is an apocalyptic number.

11312004211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312004211 is an equidigital number, since it uses as much as digits as its factorization.

11312004211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11312004211 its reverse (11240021311), we get a palindrome (22552025522).

The spelling of 11312004211 in words is "eleven billion, three hundred twelve million, four thousand, two hundred eleven".