201111002023 has 2 divisors, whose sum is σ = 201111002024. Its totient is φ = 201111002022.

The previous prime is 201111001991. The next prime is 201111002041. The reversal of 201111002023 is 320200111102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201111002023 - 2⁵ = 201111001991 is a prime.

It is a super-2 number, since 2×201111002023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201111001994 and 201111002012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201111002123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555501011 + 100555501012.

It is an arithmetic number, because the mean of its divisors is an integer number (100555501012).

Almost surely, 2^201111002023 is an apocalyptic number.

201111002023 is a deficient number, since it is larger than the sum of its proper divisors (1).

201111002023 is an equidigital number, since it uses as much as digits as its factorization.

201111002023 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 13.

Adding to 201111002023 its reverse (320200111102), we get a palindrome (521311113125).

The spelling of 201111002023 in words is "two hundred one billion, one hundred eleven million, two thousand, twenty-three".