133111222020120 has 64 divisors (see below), whose sum is σ = 399334742817120. Its totient is φ = 35496230160384.

The previous prime is 133111222020037. The next prime is 133111222020121. The reversal of 133111222020120 is 21020222111331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111222020121) 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, 50774634 + ... + 53331846.

Almost surely, 2^{133111222020120} is an apocalyptic number.

133111222020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133111222020120 is an abundant number, since it is smaller than the sum of its proper divisors (266223520797000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133111222020120 is a wasteful number, since it uses less digits than its factorization.

133111222020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991004 (or 2991000 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 133111222020120 its reverse (21020222111331), we get a palindrome (154131444131451).

The spelling of 133111222020120 in words is "one hundred thirty-three trillion, one hundred eleven billion, two hundred twenty-two million, twenty thousand, one hundred twenty".