133111002123 has 48 divisors (see below), whose sum is σ = 222112800000. Its totient is φ = 75969541440.

The previous prime is 133111002121. The next prime is 133111002127. The reversal of 133111002123 is 321200111331.

It is not a de Polignac number, because 133111002123 - 2¹ = 133111002121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133111002096 and 133111002105.

It is not an unprimeable number, because it can be changed into a prime (133111002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102253 + ... + 526001.

It is an arithmetic number, because the mean of its divisors is an integer number (4627350000).

Almost surely, 2^133111002123 is an apocalyptic number.

133111002123 is a deficient number, since it is larger than the sum of its proper divisors (89001797877).

133111002123 is a wasteful number, since it uses less digits than its factorization.

133111002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423952 (or 423949 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 133111002123 its reverse (321200111331), we get a palindrome (454311113454).

The spelling of 133111002123 in words is "one hundred thirty-three billion, one hundred eleven million, two thousand, one hundred twenty-three".