2113241014021 has 4 divisors (see below), whose sum is σ = 2125456280172. Its totient is φ = 2101025747872.

The previous prime is 2113241013973. The next prime is 2113241014069. The reversal of 2113241014021 is 1204101423112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2113241013973) and next prime (2113241014069).

It can be written as a sum of positive squares in 2 ways, for example, as 1769711393025 + 343529620996 = 1330305^2 + 586114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113241014021 - 2³⁹ = 1563485200133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113241013983 and 2113241014001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113241014121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6107632816 + ... + 6107633161.

It is an arithmetic number, because the mean of its divisors is an integer number (531364070043).

Almost surely, 2^{2113241014021} is an apocalyptic number.

It is an amenable number.

2113241014021 is a deficient number, since it is larger than the sum of its proper divisors (12215266151).

2113241014021 is a wasteful number, since it uses less digits than its factorization.

2113241014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215266150.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2113241014021 its reverse (1204101423112), we get a palindrome (3317342437133).

The spelling of 2113241014021 in words is "two trillion, one hundred thirteen billion, two hundred forty-one million, fourteen thousand, twenty-one".