50111221199 has 32 divisors (see below), whose sum is σ = 55080641280. Its totient is φ = 45312680448.

The previous prime is 50111221183. The next prime is 50111221207. The reversal of 50111221199 is 99112211105.

It is a cyclic number.

It is not a de Polignac number, because 50111221199 - 2⁴ = 50111221183 is a prime.

It is a super-2 number, since 2×50111221199² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111221109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115730087 + ... + 115730519.

It is an arithmetic number, because the mean of its divisors is an integer number (1721270040).

Almost surely, 2^50111221199 is an apocalyptic number.

50111221199 is a deficient number, since it is larger than the sum of its proper divisors (4969420081).

50111221199 is a wasteful number, since it uses less digits than its factorization.

50111221199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 1620, while the sum is 32.

The spelling of 50111221199 in words is "fifty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred ninety-nine".