212121102001202 has 8 divisors (see below), whose sum is σ = 318466506767916. Its totient is φ = 105965599745232.

The previous prime is 212121102001187. The next prime is 212121102001223. The reversal of 212121102001202 is 202100201121212.

It can be written as a sum of positive squares in 2 ways, for example, as 162066877841401 + 50054224159801 = 12730549^2 + 7074901^2 .

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

It is a super-3 number, since 3×212121102001202³ (a number of 44 digits) contains 333 as substring.

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, 47475624893 + ... + 47475629360.

Almost surely, 2^{212121102001202} is an apocalyptic number.

212121102001202 is a deficient number, since it is larger than the sum of its proper divisors (106345404766714).

212121102001202 is a wasteful number, since it uses less digits than its factorization.

212121102001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94951255372.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212121102001202 its reverse (202100201121212), we get a palindrome (414221303122414).

The spelling of 212121102001202 in words is "two hundred twelve trillion, one hundred twenty-one billion, one hundred two million, one thousand, two hundred two".