21333011311133 has 8 divisors (see below), whose sum is σ = 22457253541920. Its totient is φ = 20208914296560.

The previous prime is 21333011311111. The next prime is 21333011311147. The reversal of 21333011311133 is 33111311033312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21333011311133 - 2⁶ = 21333011311069 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 (21333011311033) 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, 36002438 + ... + 36590183.

It is an arithmetic number, because the mean of its divisors is an integer number (2807156692740).

Almost surely, 2^{21333011311133} is an apocalyptic number.

It is an amenable number.

21333011311133 is a deficient number, since it is larger than the sum of its proper divisors (1124242230787).

21333011311133 is a wasteful number, since it uses less digits than its factorization.

21333011311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72608107.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 21333011311133 its reverse (33111311033312), we get a palindrome (54444322344445).

The spelling of 21333011311133 in words is "twenty-one trillion, three hundred thirty-three billion, eleven million, three hundred eleven thousand, one hundred thirty-three".