11333333131021 has 8 divisors (see below), whose sum is σ = 12393143632800. Its totient is φ = 10278440544240.

The previous prime is 11333333131007. The next prime is 11333333131027. The reversal of 11333333131021 is 12013133333311.

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

It is not a de Polignac number, because 11333333131021 - 2²⁵ = 11333299576589 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 (11333333131027) 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, 1229473926 + ... + 1229483143.

It is an arithmetic number, because the mean of its divisors is an integer number (1549142954100).

Almost surely, 2^{11333333131021} is an apocalyptic number.

11333333131021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11333333131021 is a deficient number, since it is larger than the sum of its proper divisors (1059810501779).

11333333131021 is a wasteful number, since it uses less digits than its factorization.

11333333131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458957499.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 11333333131021 its reverse (12013133333311), we get a palindrome (23346466464332).

The spelling of 11333333131021 in words is "eleven trillion, three hundred thirty-three billion, three hundred thirty-three million, one hundred thirty-one thousand, twenty-one".