221111020111139 has 2 divisors, whose sum is σ = 221111020111140. Its totient is φ = 221111020111138.

The previous prime is 221111020111103. The next prime is 221111020111151. The reversal of 221111020111139 is 931111020111122.

221111020111139 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-221111020111139 is a prime.

It is not a weakly prime, because it can be changed into another prime (221111020111159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555510055569 + 110555510055570.

It is an arithmetic number, because the mean of its divisors is an integer number (110555510055570).

Almost surely, 2^{221111020111139} is an apocalyptic number.

221111020111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

221111020111139 is an equidigital number, since it uses as much as digits as its factorization.

221111020111139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 221111020111139 in words is "two hundred twenty-one trillion, one hundred eleven billion, twenty million, one hundred eleven thousand, one hundred thirty-nine".