210001121200023 has 32 divisors (see below), whose sum is σ = 287772270878400. Its totient is φ = 136120720859136.

The previous prime is 210001121200009. The next prime is 210001121200043. The reversal of 210001121200023 is 320002121100012.

It is not a de Polignac number, because 210001121200023 - 2⁴ = 210001121200007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210001121199975 and 210001121200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001121200043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2382839223 + ... + 2382927351.

It is an arithmetic number, because the mean of its divisors is an integer number (8992883464950).

Almost surely, 2^{210001121200023} is an apocalyptic number.

210001121200023 is a deficient number, since it is larger than the sum of its proper divisors (77771149678377).

210001121200023 is a wasteful number, since it uses less digits than its factorization.

210001121200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103091.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210001121200023 its reverse (320002121100012), we get a palindrome (530003242300035).

The spelling of 210001121200023 in words is "two hundred ten trillion, one billion, one hundred twenty-one million, two hundred thousand, twenty-three".