201011121023 has 2 divisors, whose sum is σ = 201011121024. Its totient is φ = 201011121022.

The previous prime is 201011120987. The next prime is 201011121067. The reversal of 201011121023 is 320121110102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201011121023 - 2⁸ = 201011120767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201011120989 and 201011121007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201011121083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505560511 + 100505560512.

It is an arithmetic number, because the mean of its divisors is an integer number (100505560512).

Almost surely, 2^201011121023 is an apocalyptic number.

201011121023 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011121023 is an equidigital number, since it uses as much as digits as its factorization.

201011121023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201011121023 its reverse (320121110102), we get a palindrome (521132231125).

The spelling of 201011121023 in words is "two hundred one billion, eleven million, one hundred twenty-one thousand, twenty-three".