20213203121113 has 16 divisors (see below), whose sum is σ = 20542860544000. Its totient is φ = 19885400655120.

The previous prime is 20213203121101. The next prime is 20213203121123. The reversal of 20213203121113 is 31112130231202.

It is a cyclic number.

It is not a de Polignac number, because 20213203121113 - 2⁵ = 20213203121081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213203121123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460509898 + ... + 460553788.

It is an arithmetic number, because the mean of its divisors is an integer number (1283928784000).

Almost surely, 2^{20213203121113} is an apocalyptic number.

It is an amenable number.

20213203121113 is a deficient number, since it is larger than the sum of its proper divisors (329657422887).

20213203121113 is a wasteful number, since it uses less digits than its factorization.

20213203121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64852.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20213203121113 its reverse (31112130231202), we get a palindrome (51325333352315).

The spelling of 20213203121113 in words is "twenty trillion, two hundred thirteen billion, two hundred three million, one hundred twenty-one thousand, one hundred thirteen".