50122220100 has 36 divisors (see below), whose sum is σ = 145020291024. Its totient is φ = 13365925280.

The previous prime is 50122220033. The next prime is 50122220101. The reversal of 50122220100 is 102222105.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 50122220100.

It is not an unprimeable number, because it can be changed into a prime (50122220101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83536734 + ... + 83537333.

Almost surely, 2^50122220100 is an apocalyptic number.

50122220100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50122220100 is an abundant number, since it is smaller than the sum of its proper divisors (94898070924).

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

50122220100 is a wasteful number, since it uses less digits than its factorization.

50122220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167074084 (or 167074077 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 50122220100 its reverse (102222105), we get a palindrome (50224442205).

The spelling of 50122220100 in words is "fifty billion, one hundred twenty-two million, two hundred twenty thousand, one hundred".