21011010322213 has 8 divisors (see below), whose sum is σ = 21768817273856. Its totient is φ = 20258205397200.

The previous prime is 21011010322177. The next prime is 21011010322223. The reversal of 21011010322213 is 31222301011012.

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 21011010322213 - 2²⁹ = 21010473451301 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 (21011010322223) 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, 1250498106 + ... + 1250514907.

It is an arithmetic number, because the mean of its divisors is an integer number (2721102159232).

Almost surely, 2^{21011010322213} is an apocalyptic number.

It is an amenable number.

21011010322213 is a deficient number, since it is larger than the sum of its proper divisors (757806951643).

21011010322213 is a wasteful number, since it uses less digits than its factorization.

21011010322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501013315.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21011010322213 its reverse (31222301011012), we get a palindrome (52233311333225).

The spelling of 21011010322213 in words is "twenty-one trillion, eleven billion, ten million, three hundred twenty-two thousand, two hundred thirteen".