100221121001002 has 16 divisors (see below), whose sum is σ = 158248298003040. Its totient is φ = 47471835757968.

The previous prime is 100221121000921. The next prime is 100221121001081. The reversal of 100221121001002 is 200100121122001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35477968 + ... + 38198539.

It is an arithmetic number, because the mean of its divisors is an integer number (9890518625190).

Almost surely, 2^{100221121001002} is an apocalyptic number.

100221121001002 is a deficient number, since it is larger than the sum of its proper divisors (58027177002038).

100221121001002 is a wasteful number, since it uses less digits than its factorization.

100221121001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73712325.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100221121001002 its reverse (200100121122001), we get a palindrome (300321242123003).

The spelling of 100221121001002 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twenty-one million, one thousand, two".