100000221221002 has 8 divisors (see below), whose sum is σ = 150655355115300. Its totient is φ = 49781769515904.

The previous prime is 100000221220969. The next prime is 100000221221011. The reversal of 100000221221002 is 200122122000001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96645788677881 + 3354432543121 = 9830859^2 + 1831511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109170546727 + ... + 109170547642.

Almost surely, 2^{100000221221002} is an apocalyptic number.

100000221221002 is a deficient number, since it is larger than the sum of its proper divisors (50655133894298).

100000221221002 is a wasteful number, since it uses less digits than its factorization.

100000221221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218341094600.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100000221221002 its reverse (200122122000001), we get a palindrome (300122343221003).

The spelling of 100000221221002 in words is "one hundred trillion, two hundred twenty-one million, two hundred twenty-one thousand, two".