200022010121 has 2 divisors, whose sum is σ = 200022010122. Its totient is φ = 200022010120.

The previous prime is 200022010091. The next prime is 200022010129. The reversal of 200022010121 is 121010220002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110001008896 + 90021001225 = 331664^2 + 300035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200022010121 is a prime.

It is not a weakly prime, because it can be changed into another prime (200022010129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100011005060 + 100011005061.

It is an arithmetic number, because the mean of its divisors is an integer number (100011005061).

Almost surely, 2^200022010121 is an apocalyptic number.

It is an amenable number.

200022010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200022010121 is an equidigital number, since it uses as much as digits as its factorization.

200022010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200022010121 its reverse (121010220002), we get a palindrome (321032230123).

The spelling of 200022010121 in words is "two hundred billion, twenty-two million, ten thousand, one hundred twenty-one".