200210111121 has 4 divisors (see below), whose sum is σ = 266946814832. Its totient is φ = 133473407412.

The previous prime is 200210111119. The next prime is 200210111203. The reversal of 200210111121 is 121111012002.

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 not a de Polignac number, because 200210111121 - 2¹ = 200210111119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200210111097 and 200210111106.

It is not an unprimeable number, because it can be changed into a prime (200210111221) 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, 33368351851 + ... + 33368351856.

It is an arithmetic number, because the mean of its divisors is an integer number (66736703708).

Almost surely, 2^200210111121 is an apocalyptic number.

It is an amenable number.

200210111121 is a deficient number, since it is larger than the sum of its proper divisors (66736703711).

200210111121 is an equidigital number, since it uses as much as digits as its factorization.

200210111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66736703710.

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

Adding to 200210111121 its reverse (121111012002), we get a palindrome (321321123123).

The spelling of 200210111121 in words is "two hundred billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-one".