50211011011211 has 4 divisors (see below), whose sum is σ = 50211815956512. Its totient is φ = 50210206065912.

The previous prime is 50211011011129. The next prime is 50211011011219. The reversal of 50211011011211 is 11211011011205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50211011011211 - 2³⁸ = 49936133104267 is a prime.

It is a super-2 number, since 2×50211011011211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50211011011211.

It is not an unprimeable number, because it can be changed into a prime (50211011011219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402379076 + ... + 402503841.

It is an arithmetic number, because the mean of its divisors is an integer number (12552953989128).

Almost surely, 2^{50211011011211} is an apocalyptic number.

50211011011211 is a deficient number, since it is larger than the sum of its proper divisors (804945301).

50211011011211 is an equidigital number, since it uses as much as digits as its factorization.

50211011011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804945300.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 50211011011211 its reverse (11211011011205), we get a palindrome (61422022022416).

The spelling of 50211011011211 in words is "fifty trillion, two hundred eleven billion, eleven million, eleven thousand, two hundred eleven".