200201212111 has 4 divisors (see below), whose sum is σ = 200844946224. Its totient is φ = 199557478000.

The previous prime is 200201212091. The next prime is 200201212139. The reversal of 200201212111 is 111212102002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111212102002 = 2 ⋅55606051001.

It is a cyclic number.

It is not a de Polignac number, because 200201212111 - 2²³ = 200192823503 is a prime.

It is a super-2 number, since 2×200201212111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200201212091 and 200201212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201212711) 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, 321866590 + ... + 321867211.

It is an arithmetic number, because the mean of its divisors is an integer number (50211236556).

Almost surely, 2^200201212111 is an apocalyptic number.

200201212111 is a deficient number, since it is larger than the sum of its proper divisors (643734113).

200201212111 is an equidigital number, since it uses as much as digits as its factorization.

200201212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643734112.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200201212111 its reverse (111212102002), we get a palindrome (311413314113).

The spelling of 200201212111 in words is "two hundred billion, two hundred one million, two hundred twelve thousand, one hundred eleven".