11037671221 has 2 divisors, whose sum is σ = 11037671222. Its totient is φ = 11037671220.

The previous prime is 11037671171. The next prime is 11037671233. The reversal of 11037671221 is 12217673011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8468600625 + 2569070596 = 92025^2 + 50686^2 .

It is a cyclic number.

It is not a de Polignac number, because 11037671221 - 2¹⁷ = 11037540149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11037671261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5518835610 + 5518835611.

It is an arithmetic number, because the mean of its divisors is an integer number (5518835611).

Almost surely, 2^11037671221 is an apocalyptic number.

It is an amenable number.

11037671221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11037671221 is an equidigital number, since it uses as much as digits as its factorization.

11037671221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The spelling of 11037671221 in words is "eleven billion, thirty-seven million, six hundred seventy-one thousand, two hundred twenty-one".