1200202102201 has 2 divisors, whose sum is σ = 1200202102202. Its totient is φ = 1200202102200.

The previous prime is 1200202102171. The next prime is 1200202102207. The reversal of 1200202102201 is 1022012020021.

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., 1107893079225 + 92309022976 = 1052565^2 + 303824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200202102201 is a prime.

It is a super-2 number, since 2×1200202102201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200202102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600101051100 + 600101051101.

It is an arithmetic number, because the mean of its divisors is an integer number (600101051101).

Almost surely, 2^{1200202102201} is an apocalyptic number.

It is an amenable number.

1200202102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200202102201 is an equidigital number, since it uses as much as digits as its factorization.

1200202102201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200202102201 its reverse (1022012020021), we get a palindrome (2222214122222).

The spelling of 1200202102201 in words is "one trillion, two hundred billion, two hundred two million, one hundred two thousand, two hundred one".