50125214221111 has 2 divisors, whose sum is σ = 50125214221112. Its totient is φ = 50125214221110.

The previous prime is 50125214221067. The next prime is 50125214221139. The reversal of 50125214221111 is 11112241252105.

It is an a-pointer prime, because the next prime (50125214221139) can be obtained adding 50125214221111 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50125214221111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50125214221111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50125214221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25062607110555 + 25062607110556.

It is an arithmetic number, because the mean of its divisors is an integer number (25062607110556).

Almost surely, 2^{50125214221111} is an apocalyptic number.

50125214221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

50125214221111 is an equidigital number, since it uses as much as digits as its factorization.

50125214221111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 50125214221111 its reverse (11112241252105), we get a palindrome (61237455473216).

The spelling of 50125214221111 in words is "fifty trillion, one hundred twenty-five billion, two hundred fourteen million, two hundred twenty-one thousand, one hundred eleven".