200210121121007 has 2 divisors, whose sum is σ = 200210121121008. Its totient is φ = 200210121121006.

The previous prime is 200210121120959. The next prime is 200210121121027. The reversal of 200210121121007 is 700121121012002.

It is a happy number.

It is an a-pointer prime, because the next prime (200210121121027) can be obtained adding 200210121121007 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200210121121007 - 2¹⁸ = 200210120858863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200210121121007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210121121027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105060560503 + 100105060560504.

It is an arithmetic number, because the mean of its divisors is an integer number (100105060560504).

Almost surely, 2^{200210121121007} is an apocalyptic number.

200210121121007 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210121121007 is an equidigital number, since it uses as much as digits as its factorization.

200210121121007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 200210121121007 its reverse (700121121012002), we get a palindrome (900331242133009).

The spelling of 200210121121007 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, seven".