2021331201113 has 4 divisors (see below), whose sum is σ = 2310092801280. Its totient is φ = 1732569600948.

The previous prime is 2021331201107. The next prime is 2021331201119. The reversal of 2021331201113 is 3111021331202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2021331201107) and next prime (2021331201119).

It is a cyclic number.

It is not a de Polignac number, because 2021331201113 - 2¹⁴ = 2021331184729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021331201119) 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, 144380800073 + ... + 144380800086.

It is an arithmetic number, because the mean of its divisors is an integer number (577523200320).

Almost surely, 2^{2021331201113} is an apocalyptic number.

It is an amenable number.

2021331201113 is a deficient number, since it is larger than the sum of its proper divisors (288761600167).

2021331201113 is an equidigital number, since it uses as much as digits as its factorization.

2021331201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288761600166.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2021331201113 its reverse (3111021331202), we get a palindrome (5132352532315).

The spelling of 2021331201113 in words is "two trillion, twenty-one billion, three hundred thirty-one million, two hundred one thousand, one hundred thirteen".