212101021122202 has 8 divisors (see below), whose sum is σ = 318159381777300. Its totient is φ = 106047893863104.

The previous prime is 212101021122181. The next prime is 212101021122227. The reversal of 212101021122202 is 202221120101212.

212101021122202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181288963280881 + 30812057841321 = 13464359^2 + 5550861^2 .

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

It is a super-2 number, since 2×212101021122202² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212101021122202.

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, 1308247677 + ... + 1308409792.

Almost surely, 2^{212101021122202} is an apocalyptic number.

212101021122202 is a deficient number, since it is larger than the sum of its proper divisors (106058360655098).

212101021122202 is a wasteful number, since it uses less digits than its factorization.

212101021122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616698000.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212101021122202 its reverse (202221120101212), we get a palindrome (414322141223414).

The spelling of 212101021122202 in words is "two hundred twelve trillion, one hundred one billion, twenty-one million, one hundred twenty-two thousand, two hundred two".