212202202021001 has 8 divisors (see below), whose sum is σ = 219564237246600. Its totient is φ = 204843147989760.

The previous prime is 212202202020989. The next prime is 212202202021013. The reversal of 212202202021001 is 100120202202212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212202202020989) and next prime (212202202021013).

It can be written as a sum of positive squares in 4 ways, for example, as 151144403046400 + 61057798974601 = 12294080^2 + 7813949^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 212202202021001 - 2⁶ = 212202202020937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202202021021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745153760 + ... + 745438481.

It is an arithmetic number, because the mean of its divisors is an integer number (27445529655825).

Almost surely, 2^{212202202021001} is an apocalyptic number.

It is an amenable number.

212202202021001 is a deficient number, since it is larger than the sum of its proper divisors (7362035225599).

212202202021001 is a wasteful number, since it uses less digits than its factorization.

212202202021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490597179.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212202202021001 its reverse (100120202202212), we get a palindrome (312322404223213).

The spelling of 212202202021001 in words is "two hundred twelve trillion, two hundred two billion, two hundred two million, twenty-one thousand, one".