100221410 has 32 divisors (see below), whose sum is σ = 184757760. Its totient is φ = 39128128.

The previous prime is 100221389. The next prime is 100221427. The reversal of 100221410 is 14122001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100221391 and 100221400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139031 + ... + 139749.

It is an arithmetic number, because the mean of its divisors is an integer number (5773680).

Almost surely, 2^100221410 is an apocalyptic number.

100221410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221410 is a deficient number, since it is larger than the sum of its proper divisors (84536350).

100221410 is a wasteful number, since it uses less digits than its factorization.

100221410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100221410 is about 10011.0643789759. The cubic root of 100221410 is about 464.5011955755.

Adding to 100221410 its reverse (14122001), we get a palindrome (114343411).

The spelling of 100221410 in words is "one hundred million, two hundred twenty-one thousand, four hundred ten".