100221201002 has 12 divisors (see below), whose sum is σ = 162785324070. Its totient is φ = 46255938768.

The previous prime is 100221200999. The next prime is 100221201023. The reversal of 100221201002 is 200102122001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 83266296481 + 16954904521 = 288559^2 + 130211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148255877 + ... + 148256552.

Almost surely, 2^100221201002 is an apocalyptic number.

100221201002 is a deficient number, since it is larger than the sum of its proper divisors (62564123068).

100221201002 is a wasteful number, since it uses less digits than its factorization.

100221201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296512457 (or 296512444 counting only the distinct ones).

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

Adding to 100221201002 its reverse (200102122001), we get a palindrome (300323323003).

The spelling of 100221201002 in words is "one hundred billion, two hundred twenty-one million, two hundred one thousand, two".