21033311133119 has 4 divisors (see below), whose sum is σ = 21159259104144. Its totient is φ = 20907363162096.

The previous prime is 21033311133077. The next prime is 21033311133193. The reversal of 21033311133119 is 91133111333012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21033311133119 is a prime.

It is a super-2 number, since 2×21033311133119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033311133199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62973985262 + ... + 62973985595.

It is an arithmetic number, because the mean of its divisors is an integer number (5289814776036).

Almost surely, 2^{21033311133119} is an apocalyptic number.

21033311133119 is a deficient number, since it is larger than the sum of its proper divisors (125947971025).

21033311133119 is a wasteful number, since it uses less digits than its factorization.

21033311133119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125947971024.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 21033311133119 in words is "twenty-one trillion, thirty-three billion, three hundred eleven million, one hundred thirty-three thousand, one hundred nineteen".