21140188133111 has 8 divisors (see below), whose sum is σ = 21831264182400. Its totient is φ = 20449682989920.

The previous prime is 21140188133047. The next prime is 21140188133143. The reversal of 21140188133111 is 11133188104112.

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 21140188133111 - 2⁶ = 21140188133047 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 (21140188133161) 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, 142651256 + ... + 142799373.

It is an arithmetic number, because the mean of its divisors is an integer number (2728908022800).

Almost surely, 2^{21140188133111} is an apocalyptic number.

21140188133111 is a deficient number, since it is larger than the sum of its proper divisors (691076049289).

21140188133111 is a wasteful number, since it uses less digits than its factorization.

21140188133111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285453049.

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 21140188133111 in words is "twenty-one trillion, one hundred forty billion, one hundred eighty-eight million, one hundred thirty-three thousand, one hundred eleven".