133113111121 has 16 divisors (see below), whose sum is σ = 138278828160. Its totient is φ = 128045514240.

The previous prime is 133113111101. The next prime is 133113111143. The reversal of 133113111121 is 121111311331.

It is a cyclic number.

It is not a de Polignac number, because 133113111121 - 2⁷ = 133113110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133113111101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2812771 + ... + 2859703.

It is an arithmetic number, because the mean of its divisors is an integer number (8642426760).

Almost surely, 2^133113111121 is an apocalyptic number.

It is an amenable number.

133113111121 is a deficient number, since it is larger than the sum of its proper divisors (5165717039).

133113111121 is an equidigital number, since it uses as much as digits as its factorization.

133113111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47976.

The product of its digits is 54, while the sum is 19.

Adding to 133113111121 its reverse (121111311331), we get a palindrome (254224422452).

The spelling of 133113111121 in words is "one hundred thirty-three billion, one hundred thirteen million, one hundred eleven thousand, one hundred twenty-one".