201112300121 has 4 divisors (see below), whose sum is σ = 201174013200. Its totient is φ = 201050587044.

The previous prime is 201112300111. The next prime is 201112300177. The reversal of 201112300121 is 121003211102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201112300121 - 2¹⁴ = 201112283737 is a prime.

It is a super-4 number, since 4×201112300121⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201112300096 and 201112300105.

It is not an unprimeable number, because it can be changed into a prime (201112300111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30851651 + ... + 30858168.

It is an arithmetic number, because the mean of its divisors is an integer number (50293503300).

Almost surely, 2^201112300121 is an apocalyptic number.

It is an amenable number.

201112300121 is a deficient number, since it is larger than the sum of its proper divisors (61713079).

201112300121 is an equidigital number, since it uses as much as digits as its factorization.

201112300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61713078.

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

Adding to 201112300121 its reverse (121003211102), we get a palindrome (322115511223).

It can be divided in two parts, 20111 and 2300121, that added together give a palindrome (2320232).

The spelling of 201112300121 in words is "two hundred one billion, one hundred twelve million, three hundred thousand, one hundred twenty-one".