100221112110 has 64 divisors (see below), whose sum is σ = 275914252800. Its totient is φ = 22822511232.

The previous prime is 100221112109. The next prime is 100221112133. The reversal of 100221112110 is 11211122001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830580 + ... + 943559.

It is an arithmetic number, because the mean of its divisors is an integer number (4311160200).

Almost surely, 2^100221112110 is an apocalyptic number.

100221112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221112110 is an abundant number, since it is smaller than the sum of its proper divisors (175693140690).

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

100221112110 is a wasteful number, since it uses less digits than its factorization.

100221112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774425.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100221112110 its reverse (11211122001), we get a palindrome (111432234111).

The spelling of 100221112110 in words is "one hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred ten".