11212011001123 has 2 divisors, whose sum is σ = 11212011001124. Its totient is φ = 11212011001122.

The previous prime is 11212011001043. The next prime is 11212011001151. The reversal of 11212011001123 is 32110011021211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212011001123 - 2¹⁷ = 11212010870051 is a prime.

It is a super-2 number, since 2×11212011001123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212011001097 and 11212011001106.

It is not a weakly prime, because it can be changed into another prime (11212011007123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606005500561 + 5606005500562.

It is an arithmetic number, because the mean of its divisors is an integer number (5606005500562).

Almost surely, 2^{11212011001123} is an apocalyptic number.

11212011001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212011001123 is an equidigital number, since it uses as much as digits as its factorization.

11212011001123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11212011001123 its reverse (32110011021211), we get a palindrome (43322022022334).

The spelling of 11212011001123 in words is "eleven trillion, two hundred twelve billion, eleven million, one thousand, one hundred twenty-three".