1202231230111 has 2 divisors, whose sum is σ = 1202231230112. Its totient is φ = 1202231230110.

The previous prime is 1202231230099. The next prime is 1202231230139. The reversal of 1202231230111 is 1110321322021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202231230111 - 2²¹ = 1202229132959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202231210111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601115615055 + 601115615056.

It is an arithmetic number, because the mean of its divisors is an integer number (601115615056).

Almost surely, 2^{1202231230111} is an apocalyptic number.

1202231230111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202231230111 is an equidigital number, since it uses as much as digits as its factorization.

1202231230111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1202231230111 its reverse (1110321322021), we get a palindrome (2312552552132).

The spelling of 1202231230111 in words is "one trillion, two hundred two billion, two hundred thirty-one million, two hundred thirty thousand, one hundred eleven".