101222221050 has 72 divisors (see below), whose sum is σ = 282022636896. Its totient is φ = 26992589040.

The previous prime is 101222220997. The next prime is 101222221069. The reversal of 101222221050 is 50122222101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4153374 + ... + 4177673.

It is an arithmetic number, because the mean of its divisors is an integer number (3916981068).

Almost surely, 2^101222221050 is an apocalyptic number.

101222221050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101222221050 is an abundant number, since it is smaller than the sum of its proper divisors (180800415846).

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

101222221050 is an equidigital number, since it uses as much as digits as its factorization.

101222221050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331074 (or 8331057 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 101222221050 its reverse (50122222101), we get a palindrome (151344443151).

The spelling of 101222221050 in words is "one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, fifty".