2021112011213 has 8 divisors (see below), whose sum is σ = 2029542827136. Its totient is φ = 2012681563200.

The previous prime is 2021112011189. The next prime is 2021112011309. The reversal of 2021112011213 is 3121102111202.

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-2021112011213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021112011191 and 2021112011200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112511213) 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, 20361020 + ... + 20460042.

It is an arithmetic number, because the mean of its divisors is an integer number (253692853392).

Almost surely, 2^{2021112011213} is an apocalyptic number.

It is an amenable number.

2021112011213 is a deficient number, since it is larger than the sum of its proper divisors (8430815923).

2021112011213 is an equidigital number, since it uses as much as digits as its factorization.

2021112011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183955.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2021112011213 its reverse (3121102111202), we get a palindrome (5142214122415).

The spelling of 2021112011213 in words is "two trillion, twenty-one billion, one hundred twelve million, eleven thousand, two hundred thirteen".