11221001212139 has 2 divisors, whose sum is σ = 11221001212140. Its totient is φ = 11221001212138.

The previous prime is 11221001212051. The next prime is 11221001212151. The reversal of 11221001212139 is 93121210012211.

11221001212139 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221001212139 is a prime.

It is not a weakly prime, because it can be changed into another prime (11221001212189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610500606069 + 5610500606070.

It is an arithmetic number, because the mean of its divisors is an integer number (5610500606070).

Almost surely, 2^{11221001212139} is an apocalyptic number.

11221001212139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221001212139 is an equidigital number, since it uses as much as digits as its factorization.

11221001212139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 11221001212139 in words is "eleven trillion, two hundred twenty-one billion, one million, two hundred twelve thousand, one hundred thirty-nine".