11200220221973 has 2 divisors, whose sum is σ = 11200220221974. Its totient is φ = 11200220221972.

The previous prime is 11200220221907. The next prime is 11200220222041. The reversal of 11200220221973 is 37912202200211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9227001609604 + 1973218612369 = 3037598^2 + 1404713^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200220221973 - 2³⁴ = 11183040352789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200220221373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600110110986 + 5600110110987.

It is an arithmetic number, because the mean of its divisors is an integer number (5600110110987).

Almost surely, 2^{11200220221973} is an apocalyptic number.

It is an amenable number.

11200220221973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200220221973 is an equidigital number, since it uses as much as digits as its factorization.

11200220221973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 11200220221973 in words is "eleven trillion, two hundred billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred seventy-three".