121112201202011 has 2 divisors, whose sum is σ = 121112201202012. Its totient is φ = 121112201202010.

The previous prime is 121112201201983. The next prime is 121112201202037. The reversal of 121112201202011 is 110202102211121.

It is a strong prime.

It is an emirp because it is prime and its reverse (110202102211121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121112201202011 - 2¹⁰ = 121112201200987 is a prime.

It is not a weakly prime, because it can be changed into another prime (121112201204011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556100601005 + 60556100601006.

It is an arithmetic number, because the mean of its divisors is an integer number (60556100601006).

Almost surely, 2^{121112201202011} is an apocalyptic number.

121112201202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112201202011 is an equidigital number, since it uses as much as digits as its factorization.

121112201202011 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 17.

Adding to 121112201202011 its reverse (110202102211121), we get a palindrome (231314303413132).

The spelling of 121112201202011 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, eleven".