201112000121 has 4 divisors (see below), whose sum is σ = 202991551632. Its totient is φ = 199232448612.

The previous prime is 201112000097. The next prime is 201112000123. The reversal of 201112000121 is 121000211102.

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 a de Polignac number, because none of the positive numbers 2^k-201112000121 is a prime.

It is a super-3 number, since 3×201112000121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112000123) 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, 939775595 + ... + 939775808.

It is an arithmetic number, because the mean of its divisors is an integer number (50747887908).

Almost surely, 2^201112000121 is an apocalyptic number.

It is an amenable number.

201112000121 is a deficient number, since it is larger than the sum of its proper divisors (1879551511).

201112000121 is a wasteful number, since it uses less digits than its factorization.

201112000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879551510.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201112000121 its reverse (121000211102), we get a palindrome (322112211223).

The spelling of 201112000121 in words is "two hundred one billion, one hundred twelve million, one hundred twenty-one", and thus it is an aban number.