121203201133 has 12 divisors (see below), whose sum is σ = 141187613760. Its totient is φ = 103743937752.

The previous prime is 121203201121. The next prime is 121203201137. The reversal of 121203201133 is 331102302121.

It is a de Polignac number, because none of the positive numbers 2^k-121203201133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121203201133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203201137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684891 + ... + 1755352.

It is an arithmetic number, because the mean of its divisors is an integer number (11765634480).

Almost surely, 2^121203201133 is an apocalyptic number.

It is an amenable number.

121203201133 is a deficient number, since it is larger than the sum of its proper divisors (19984412627).

121203201133 is an equidigital number, since it uses as much as digits as its factorization.

121203201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440976 (or 3440969 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121203201133 its reverse (331102302121), we get a palindrome (452305503254).

The spelling of 121203201133 in words is "one hundred twenty-one billion, two hundred three million, two hundred one thousand, one hundred thirty-three".