11200300121 has 2 divisors, whose sum is σ = 11200300122. Its totient is φ = 11200300120.

The previous prime is 11200300117. The next prime is 11200300151. The reversal of 11200300121 is 12100300211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9397363600 + 1802936521 = 96940^2 + 42461^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200300121 - 2² = 11200300117 is a prime.

It is a super-2 number, since 2×11200300121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11200300151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600150060 + 5600150061.

It is an arithmetic number, because the mean of its divisors is an integer number (5600150061).

Almost surely, 2^11200300121 is an apocalyptic number.

It is an amenable number.

11200300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200300121 is an equidigital number, since it uses as much as digits as its factorization.

11200300121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11200300121 its reverse (12100300211), we get a palindrome (23300600332).

The spelling of 11200300121 in words is "eleven billion, two hundred million, three hundred thousand, one hundred twenty-one".