11200121210237 has 2 divisors, whose sum is σ = 11200121210238. Its totient is φ = 11200121210236.

The previous prime is 11200121210183. The next prime is 11200121210249. The reversal of 11200121210237 is 73201212100211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10091588079076 + 1108533131161 = 3176726^2 + 1052869^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200121210237 - 2¹⁰ = 11200121209213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200121210287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600060605118 + 5600060605119.

It is an arithmetic number, because the mean of its divisors is an integer number (5600060605119).

Almost surely, 2^{11200121210237} is an apocalyptic number.

It is an amenable number.

11200121210237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200121210237 is an equidigital number, since it uses as much as digits as its factorization.

11200121210237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 11200121210237 its reverse (73201212100211), we get a palindrome (84401333310448).

The spelling of 11200121210237 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, two hundred ten thousand, two hundred thirty-seven".