1202201110111 has 2 divisors, whose sum is σ = 1202201110112. Its totient is φ = 1202201110110.

The previous prime is 1202201110091. The next prime is 1202201110139. The reversal of 1202201110111 is 1110111022021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110111022021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202201110111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202201110091 and 1202201110100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202201120111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601100555055 + 601100555056.

It is an arithmetic number, because the mean of its divisors is an integer number (601100555056).

Almost surely, 2^{1202201110111} is an apocalyptic number.

1202201110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202201110111 is an equidigital number, since it uses as much as digits as its factorization.

1202201110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1202201110111 its reverse (1110111022021), we get a palindrome (2312312132132).

The spelling of 1202201110111 in words is "one trillion, two hundred two billion, two hundred one million, one hundred ten thousand, one hundred eleven".