100212021202 has 8 divisors (see below), whose sum is σ = 155501412300. Its totient is φ = 48378217104.

The previous prime is 100212021187. The next prime is 100212021241. The reversal of 100212021202 is 202120212001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99345366481 + 866654721 = 315191^2 + 29439^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 863896677 + ... + 863896792.

Almost surely, 2^100212021202 is an apocalyptic number.

100212021202 is a deficient number, since it is larger than the sum of its proper divisors (55289391098).

100212021202 is a wasteful number, since it uses less digits than its factorization.

100212021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727793500.

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

Adding to 100212021202 its reverse (202120212001), we get a palindrome (302332233203).

The spelling of 100212021202 in words is "one hundred billion, two hundred twelve million, twenty-one thousand, two hundred two".