10021211110221 has 8 divisors (see below), whose sum is σ = 13362761091264. Its totient is φ = 6680234268000.

The previous prime is 10021211110103. The next prime is 10021211110231. The reversal of 10021211110221 is 12201111212001.

It is a happy number.

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

It is not a de Polignac number, because 10021211110221 - 2¹⁰ = 10021211109197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021211110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211110231) 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, 143243905 + ... + 143313846.

It is an arithmetic number, because the mean of its divisors is an integer number (1670345136408).

Almost surely, 2^{10021211110221} is an apocalyptic number.

It is an amenable number.

10021211110221 is a deficient number, since it is larger than the sum of its proper divisors (3341549981043).

10021211110221 is a wasteful number, since it uses less digits than its factorization.

10021211110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286569411.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10021211110221 its reverse (12201111212001), we get a palindrome (22222322322222).

The spelling of 10021211110221 in words is "ten trillion, twenty-one billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-one".