11220211021939 has 2 divisors, whose sum is σ = 11220211021940. Its totient is φ = 11220211021938.

The previous prime is 11220211021913. The next prime is 11220211022029. The reversal of 11220211021939 is 93912011202211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11220211021939 - 2¹¹ = 11220211019891 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220211021039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610105510969 + 5610105510970.

It is an arithmetic number, because the mean of its divisors is an integer number (5610105510970).

Almost surely, 2^{11220211021939} is an apocalyptic number.

11220211021939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220211021939 is an equidigital number, since it uses as much as digits as its factorization.

11220211021939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 11220211021939 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, twenty-one thousand, nine hundred thirty-nine".