133111100121 has 16 divisors (see below), whose sum is σ = 187928928000. Its totient is φ = 83517412608.

The previous prime is 133111100107. The next prime is 133111100147. The reversal of 133111100121 is 121001111331.

It is not a de Polignac number, because 133111100121 - 2¹⁷ = 133110969049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133111100121.

It is not an unprimeable number, because it can be changed into a prime (133111100021) 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, 2401680 + ... + 2456478.

It is an arithmetic number, because the mean of its divisors is an integer number (11745558000).

Almost surely, 2^133111100121 is an apocalyptic number.

It is an amenable number.

133111100121 is a deficient number, since it is larger than the sum of its proper divisors (54817827879).

133111100121 is a wasteful number, since it uses less digits than its factorization.

133111100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102448.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 133111100121 its reverse (121001111331), we get a palindrome (254112211452).

The spelling of 133111100121 in words is "one hundred thirty-three billion, one hundred eleven million, one hundred thousand, one hundred twenty-one".