1110200202121 has 2 divisors, whose sum is σ = 1110200202122. Its totient is φ = 1110200202120.

The previous prime is 1110200202101. The next prime is 1110200202169. The reversal of 1110200202121 is 1212020020111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102056944521 + 8143257600 = 1049789^2 + 90240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110200202121 - 2²⁹ = 1109663331209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110200202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555100101060 + 555100101061.

It is an arithmetic number, because the mean of its divisors is an integer number (555100101061).

Almost surely, 2^{1110200202121} is an apocalyptic number.

It is an amenable number.

1110200202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110200202121 is an equidigital number, since it uses as much as digits as its factorization.

1110200202121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1110200202121 its reverse (1212020020111), we get a palindrome (2322220222232).

The spelling of 1110200202121 in words is "one trillion, one hundred ten billion, two hundred million, two hundred two thousand, one hundred twenty-one".