100220121002 has 8 divisors (see below), whose sum is σ = 150333869700. Its totient is φ = 50108831104.

The previous prime is 100220120951. The next prime is 100220121013. The reversal of 100220121002 is 200121022001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99043013521 + 1177107481 = 314711^2 + 34309^2 .

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, 509177 + ... + 678012.

Almost surely, 2^100220121002 is an apocalyptic number.

100220121002 is a deficient number, since it is larger than the sum of its proper divisors (50113748698).

100220121002 is a wasteful number, since it uses less digits than its factorization.

100220121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229400.

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

Adding to 100220121002 its reverse (200121022001), we get a palindrome (300341143003).

Subtracting 100220121002 from its reverse (200121022001), we obtain a palindrome (99900900999).

The spelling of 100220121002 in words is "one hundred billion, two hundred twenty million, one hundred twenty-one thousand, two".