201121001022023 has 16 divisors (see below), whose sum is σ = 205070226577920. Its totient is φ = 197190463245600.

The previous prime is 201121001021987. The next prime is 201121001022091. The reversal of 201121001022023 is 320220100121102.

201121001022023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201121001022023 - 2⁸ = 201121001021767 is a prime.

It is a super-2 number, since 2×201121001022023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201121001021992 and 201121001022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121001022923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31685078 + ... + 37499148.

It is an arithmetic number, because the mean of its divisors is an integer number (12816889161120).

Almost surely, 2^{201121001022023} is an apocalyptic number.

201121001022023 is a deficient number, since it is larger than the sum of its proper divisors (3949225555897).

201121001022023 is an equidigital number, since it uses as much as digits as its factorization.

201121001022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815678.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201121001022023 its reverse (320220100121102), we get a palindrome (521341101143125).

The spelling of 201121001022023 in words is "two hundred one trillion, one hundred twenty-one billion, one million, twenty-two thousand, twenty-three".