201233121022 has 16 divisors (see below), whose sum is σ = 305505083520. Its totient is φ = 99398241432.

The previous prime is 201233121007. The next prime is 201233121029. The reversal of 201233121022 is 220121332102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201233121029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4032073 + ... + 4081675.

It is an arithmetic number, because the mean of its divisors is an integer number (19094067720).

Almost surely, 2^201233121022 is an apocalyptic number.

201233121022 is a deficient number, since it is larger than the sum of its proper divisors (104271962498).

201233121022 is a wasteful number, since it uses less digits than its factorization.

201233121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74127.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201233121022 its reverse (220121332102), we get a palindrome (421354453124).

The spelling of 201233121022 in words is "two hundred one billion, two hundred thirty-three million, one hundred twenty-one thousand, twenty-two".