1200202112111 has 2 divisors, whose sum is σ = 1200202112112. Its totient is φ = 1200202112110.

The previous prime is 1200202112071. The next prime is 1200202112119. The reversal of 1200202112111 is 1112112020021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200202112111 - 2³⁰ = 1199128370287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200202112119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600101056055 + 600101056056.

It is an arithmetic number, because the mean of its divisors is an integer number (600101056056).

Almost surely, 2^{1200202112111} is an apocalyptic number.

1200202112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200202112111 is an equidigital number, since it uses as much as digits as its factorization.

1200202112111 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 14.

Adding to 1200202112111 its reverse (1112112020021), we get a palindrome (2312314132132).

The spelling of 1200202112111 in words is "one trillion, two hundred billion, two hundred two million, one hundred twelve thousand, one hundred eleven".