10021111213 has 8 divisors (see below), whose sum is σ = 10077912000. Its totient is φ = 9964428768.

The previous prime is 10021111187. The next prime is 10021111249. The reversal of 10021111213 is 31211112001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021111213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021111193 and 10021111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021111253) 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, 143088 + ... + 201286.

It is an arithmetic number, because the mean of its divisors is an integer number (1259739000).

Almost surely, 2^10021111213 is an apocalyptic number.

It is an amenable number.

10021111213 is a deficient number, since it is larger than the sum of its proper divisors (56800787).

10021111213 is an equidigital number, since it uses as much as digits as its factorization.

10021111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59171.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10021111213 its reverse (31211112001), we get a palindrome (41232223214).

The spelling of 10021111213 in words is "ten billion, twenty-one million, one hundred eleven thousand, two hundred thirteen".