11220220201937 has 2 divisors, whose sum is σ = 11220220201938. Its totient is φ = 11220220201936.

The previous prime is 11220220201889. The next prime is 11220220201951. The reversal of 11220220201937 is 73910202202211.

11220220201937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8431450460416 + 2788769741521 = 2903696^2 + 1669961^2 .

It is an emirp because it is prime and its reverse (73910202202211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220220201937 - 2¹⁰ = 11220220200913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220220201987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610110100968 + 5610110100969.

It is an arithmetic number, because the mean of its divisors is an integer number (5610110100969).

Almost surely, 2^{11220220201937} is an apocalyptic number.

It is an amenable number.

11220220201937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220220201937 is an equidigital number, since it uses as much as digits as its factorization.

11220220201937 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 11220220201937 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred one thousand, nine hundred thirty-seven".