11200002010921 has 2 divisors, whose sum is σ = 11200002010922. Its totient is φ = 11200002010920.

The previous prime is 11200002010861. The next prime is 11200002011017. The reversal of 11200002010921 is 12901020000211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11180924876521 + 19077134400 = 3343789^2 + 138120^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200002010921 - 2³⁷ = 11062563057449 is a prime.

It is not a weakly prime, because it can be changed into another prime (11200002010321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600001005460 + 5600001005461.

It is an arithmetic number, because the mean of its divisors is an integer number (5600001005461).

Almost surely, 2^{11200002010921} is an apocalyptic number.

It is an amenable number.

11200002010921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200002010921 is an equidigital number, since it uses as much as digits as its factorization.

11200002010921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11200002010921 in words is "eleven trillion, two hundred billion, two million, ten thousand, nine hundred twenty-one".