210000121112001 has 32 divisors (see below), whose sum is σ = 313768027431936. Its totient is φ = 123810190200000.

The previous prime is 210000121111969. The next prime is 210000121112059. The reversal of 210000121112001 is 100211121000012.

It is not a de Polignac number, because 210000121112001 - 2⁵ = 210000121111969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210000121512001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9202875 + ... + 22465376.

It is an arithmetic number, because the mean of its divisors is an integer number (9805250857248).

Almost surely, 2^{210000121112001} is an apocalyptic number.

It is an amenable number.

210000121112001 is a deficient number, since it is larger than the sum of its proper divisors (103767906319935).

210000121112001 is a wasteful number, since it uses less digits than its factorization.

210000121112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31673733.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210000121112001 its reverse (100211121000012), we get a palindrome (310211242112013).

The spelling of 210000121112001 in words is "two hundred ten trillion, one hundred twenty-one million, one hundred twelve thousand, one".