133110131103021 has 4 divisors (see below), whose sum is σ = 177480174804032. Its totient is φ = 88740087402012.

The previous prime is 133110131103011. The next prime is 133110131103023. The reversal of 133110131103021 is 120301131011331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133110131103021 - 2¹⁷ = 133110130971949 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 (133110131103023) 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, 22185021850501 + ... + 22185021850506.

It is an arithmetic number, because the mean of its divisors is an integer number (44370043701008).

Almost surely, 2^{133110131103021} is an apocalyptic number.

It is an amenable number.

133110131103021 is a deficient number, since it is larger than the sum of its proper divisors (44370043701011).

133110131103021 is an equidigital number, since it uses as much as digits as its factorization.

133110131103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44370043701010.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 133110131103021 its reverse (120301131011331), we get a palindrome (253411262114352).

The spelling of 133110131103021 in words is "one hundred thirty-three trillion, one hundred ten billion, one hundred thirty-one million, one hundred three thousand, twenty-one".