200122110121 has 4 divisors (see below), whose sum is σ = 200159264592. Its totient is φ = 200084955652.

The previous prime is 200122110101. The next prime is 200122110257. The reversal of 200122110121 is 121011221002.

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 200122110121 - 2²⁹ = 199585239209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122110101) 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, 18569155 + ... + 18579928.

It is an arithmetic number, because the mean of its divisors is an integer number (50039816148).

Almost surely, 2^200122110121 is an apocalyptic number.

It is an amenable number.

200122110121 is a deficient number, since it is larger than the sum of its proper divisors (37154471).

200122110121 is an equidigital number, since it uses as much as digits as its factorization.

200122110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37154470.

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

Adding to 200122110121 its reverse (121011221002), we get a palindrome (321133331123).

The spelling of 200122110121 in words is "two hundred billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".