202121001002211 has 8 divisors (see below), whose sum is σ = 283678597897920. Its totient is φ = 127655369053992.

The previous prime is 202121001002191. The next prime is 202121001002293. The reversal of 202121001002211 is 112200100121202.

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

It is not a de Polignac number, because 202121001002211 - 2¹⁸ = 202121000740067 is a prime.

It is a super-2 number, since 2×202121001002211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202121001002911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772991236805 + ... + 1772991236918.

It is an arithmetic number, because the mean of its divisors is an integer number (35459824737240).

Almost surely, 2^{202121001002211} is an apocalyptic number.

202121001002211 is a deficient number, since it is larger than the sum of its proper divisors (81557596895709).

202121001002211 is a wasteful number, since it uses less digits than its factorization.

202121001002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545982473745.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202121001002211 its reverse (112200100121202), we get a palindrome (314321101123413).

The spelling of 202121001002211 in words is "two hundred two trillion, one hundred twenty-one billion, one million, two thousand, two hundred eleven".