133311021121 has 8 divisors (see below), whose sum is σ = 133506083520. Its totient is φ = 133116018672.

The previous prime is 133311021023. The next prime is 133311021149. The reversal of 133311021121 is 121120113331.

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

It is a cyclic number.

It is not a de Polignac number, because 133311021121 - 2⁷ = 133311020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133311021421) 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, 6342796 + ... + 6363778.

It is an arithmetic number, because the mean of its divisors is an integer number (16688260440).

Almost surely, 2^133311021121 is an apocalyptic number.

It is an amenable number.

133311021121 is a deficient number, since it is larger than the sum of its proper divisors (195062399).

133311021121 is an equidigital number, since it uses as much as digits as its factorization.

133311021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 133311021121 its reverse (121120113331), we get a palindrome (254431134452).

The spelling of 133311021121 in words is "one hundred thirty-three billion, three hundred eleven million, twenty-one thousand, one hundred twenty-one".