11200211125021 has 2 divisors, whose sum is σ = 11200211125022. Its totient is φ = 11200211125020.

The previous prime is 11200211124913. The next prime is 11200211125039. The reversal of 11200211125021 is 12052111200211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9964211944996 + 1235999180025 = 3156614^2 + 1111755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200211125021 - 2¹⁵ = 11200211092253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200211125021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200218125021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600105562510 + 5600105562511.

It is an arithmetic number, because the mean of its divisors is an integer number (5600105562511).

Almost surely, 2^{11200211125021} is an apocalyptic number.

It is an amenable number.

11200211125021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200211125021 is an equidigital number, since it uses as much as digits as its factorization.

11200211125021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 11200211125021 its reverse (12052111200211), we get a palindrome (23252322325232).

The spelling of 11200211125021 in words is "eleven trillion, two hundred billion, two hundred eleven million, one hundred twenty-five thousand, twenty-one".