10021220011213 has 4 divisors (see below), whose sum is σ = 10027479363228. Its totient is φ = 10014960659200.

The previous prime is 10021220011183. The next prime is 10021220011223. The reversal of 10021220011213 is 31211002212001.

10021220011213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7332413712649 + 2688806298564 = 2707843^2 + 1639758^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021220011213 - 2¹⁷ = 10021219880141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021220011223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129673606 + ... + 3129676807.

It is an arithmetic number, because the mean of its divisors is an integer number (2506869840807).

Almost surely, 2^{10021220011213} is an apocalyptic number.

It is an amenable number.

10021220011213 is a deficient number, since it is larger than the sum of its proper divisors (6259352015).

10021220011213 is an equidigital number, since it uses as much as digits as its factorization.

10021220011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259352014.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10021220011213 its reverse (31211002212001), we get a palindrome (41232222223214).

The spelling of 10021220011213 in words is "ten trillion, twenty-one billion, two hundred twenty million, eleven thousand, two hundred thirteen".