21114022011143 has 16 divisors (see below), whose sum is σ = 21797388730656. Its totient is φ = 20439417384960.

The previous prime is 21114022011077. The next prime is 21114022011157. The reversal of 21114022011143 is 34111022041112.

It is a cyclic number.

It is not a de Polignac number, because 21114022011143 - 2³⁴ = 21096842141959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114022511143) 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, 101434553 + ... + 101642493.

It is an arithmetic number, because the mean of its divisors is an integer number (1362336795666).

Almost surely, 2^{21114022011143} is an apocalyptic number.

21114022011143 is a deficient number, since it is larger than the sum of its proper divisors (683366719513).

21114022011143 is a wasteful number, since it uses less digits than its factorization.

21114022011143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228994.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 21114022011143 its reverse (34111022041112), we get a palindrome (55225044052255).

The spelling of 21114022011143 in words is "twenty-one trillion, one hundred fourteen billion, twenty-two million, eleven thousand, one hundred forty-three".