133321311112121 has 4 divisors (see below), whose sum is σ = 145441430304144. Its totient is φ = 121201191920100.

The previous prime is 133321311112019. The next prime is 133321311112139. The reversal of 133321311112121 is 121211113123331.

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 a cyclic number.

It is not a de Polignac number, because 133321311112121 - 2¹⁴ = 133321311095737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133321311162121) 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, 6060059595995 + ... + 6060059596016.

It is an arithmetic number, because the mean of its divisors is an integer number (36360357576036).

Almost surely, 2^{133321311112121} is an apocalyptic number.

133321311112121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133321311112121 is a deficient number, since it is larger than the sum of its proper divisors (12120119192023).

133321311112121 is a wasteful number, since it uses less digits than its factorization.

133321311112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120119192022.

The product of its digits is 648, while the sum is 26.

Adding to 133321311112121 its reverse (121211113123331), we get a palindrome (254532424235452).

The spelling of 133321311112121 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, three hundred eleven million, one hundred twelve thousand, one hundred twenty-one".