221402050441111 has 2 divisors, whose sum is σ = 221402050441112. Its totient is φ = 221402050441110.

The previous prime is 221402050441087. The next prime is 221402050441127. The reversal of 221402050441111 is 111144050204122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221402050441111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221402050441111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221402050451111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110701025220555 + 110701025220556.

It is an arithmetic number, because the mean of its divisors is an integer number (110701025220556).

Almost surely, 2^{221402050441111} is an apocalyptic number.

221402050441111 is a deficient number, since it is larger than the sum of its proper divisors (1).

221402050441111 is an equidigital number, since it uses as much as digits as its factorization.

221402050441111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 221402050441111 in words is "two hundred twenty-one trillion, four hundred two billion, fifty million, four hundred forty-one thousand, one hundred eleven".