20012221002113 has 8 divisors (see below), whose sum is σ = 20284830336288. Its totient is φ = 19740361626144.

The previous prime is 20012221002079. The next prime is 20012221002133. The reversal of 20012221002113 is 31120012221002.

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 20012221002113 - 2²⁴ = 20012204224897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012221002091 and 20012221002100.

It is not an unprimeable number, because it can be changed into a prime (20012221002133) 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, 187435820 + ... + 187542557.

It is an arithmetic number, because the mean of its divisors is an integer number (2535603792036).

Almost surely, 2^{20012221002113} is an apocalyptic number.

It is an amenable number.

20012221002113 is a deficient number, since it is larger than the sum of its proper divisors (272609334175).

20012221002113 is an equidigital number, since it uses as much as digits as its factorization.

20012221002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374979103.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20012221002113 its reverse (31120012221002), we get a palindrome (51132233223115).

The spelling of 20012221002113 in words is "twenty trillion, twelve billion, two hundred twenty-one million, two thousand, one hundred thirteen".