10021213221213 has 32 divisors (see below), whose sum is σ = 13669753466880. Its totient is φ = 6527246492480.

The previous prime is 10021213221211. The next prime is 10021213221319. The reversal of 10021213221213 is 31212231212001.

It is a cyclic number.

It is not a de Polignac number, because 10021213221213 - 2¹ = 10021213221211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021213221213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021213221211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222024658 + ... + 222069788.

It is an arithmetic number, because the mean of its divisors is an integer number (427179795840).

Almost surely, 2^{10021213221213} is an apocalyptic number.

It is an amenable number.

10021213221213 is a deficient number, since it is larger than the sum of its proper divisors (3648540245667).

10021213221213 is a wasteful number, since it uses less digits than its factorization.

10021213221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47897.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10021213221213 its reverse (31212231212001), we get a palindrome (41233444433214).

The spelling of 10021213221213 in words is "ten trillion, twenty-one billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred thirteen".