50111002222120 has 128 divisors (see below), whose sum is σ = 129849341276160. Its totient is φ = 17048602471680.

The previous prime is 50111002222117. The next prime is 50111002222121. The reversal of 50111002222120 is 2122220011105.

It is a happy number.

It is a super-2 number, since 2×50111002222120² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50111002222121) 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, 670729807 + ... + 670804513.

It is an arithmetic number, because the mean of its divisors is an integer number (1014447978720).

Almost surely, 2^{50111002222120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50111002222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64924670638080).

50111002222120 is an abundant number, since it is smaller than the sum of its proper divisors (79738339054040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50111002222120 is a wasteful number, since it uses less digits than its factorization.

50111002222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93143 (or 93139 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 50111002222120 its reverse (2122220011105), we get a palindrome (52233222233225).

The spelling of 50111002222120 in words is "fifty trillion, one hundred eleven billion, two million, two hundred twenty-two thousand, one hundred twenty".