20213211114143 has 16 divisors (see below), whose sum is σ = 21446176810464. Its totient is φ = 18985168727040.

The previous prime is 20213211114121. The next prime is 20213211114199. The reversal of 20213211114143 is 34141111231202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20213211114143 - 2¹⁰ = 20213211113119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213211113143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15737228 + ... + 16973118.

It is an arithmetic number, because the mean of its divisors is an integer number (1340386050654).

Almost surely, 2^{20213211114143} is an apocalyptic number.

20213211114143 is a deficient number, since it is larger than the sum of its proper divisors (1232965696321).

20213211114143 is a wasteful number, since it uses less digits than its factorization.

20213211114143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237882.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 20213211114143 its reverse (34141111231202), we get a palindrome (54354322345345).

The spelling of 20213211114143 in words is "twenty trillion, two hundred thirteen billion, two hundred eleven million, one hundred fourteen thousand, one hundred forty-three".