201120200200121 has 4 divisors (see below), whose sum is σ = 202703823823872. Its totient is φ = 199536576576372.

The previous prime is 201120200200111. The next prime is 201120200200123. The reversal of 201120200200121 is 121002002021102.

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 201120200200121 - 2¹⁴ = 201120200183737 is a prime.

It is a super-2 number, since 2×201120200200121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201120200200096 and 201120200200105.

It is not an unprimeable number, because it can be changed into a prime (201120200200123) 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, 791811811685 + ... + 791811811938.

It is an arithmetic number, because the mean of its divisors is an integer number (50675955955968).

Almost surely, 2^{201120200200121} is an apocalyptic number.

It is an amenable number.

201120200200121 is a deficient number, since it is larger than the sum of its proper divisors (1583623623751).

201120200200121 is a wasteful number, since it uses less digits than its factorization.

201120200200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583623623750.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201120200200121 its reverse (121002002021102), we get a palindrome (322122202221223).

The spelling of 201120200200121 in words is "two hundred one trillion, one hundred twenty billion, two hundred million, two hundred thousand, one hundred twenty-one".