203323120122 has 32 divisors (see below), whose sum is σ = 416161437120. Its totient is φ = 66188949120.

The previous prime is 203323120103. The next prime is 203323120127. The reversal of 203323120122 is 221021323302.

It is a happy number.

It is a super-2 number, since 2×203323120122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203323120127) 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, 1927222 + ... + 2029982.

It is an arithmetic number, because the mean of its divisors is an integer number (13005044910).

Almost surely, 2^203323120122 is an apocalyptic number.

203323120122 is an abundant number, since it is smaller than the sum of its proper divisors (212838316998).

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

203323120122 is a wasteful number, since it uses less digits than its factorization.

203323120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110478.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203323120122 its reverse (221021323302), we get a palindrome (424344443424).

The spelling of 203323120122 in words is "two hundred three billion, three hundred twenty-three million, one hundred twenty thousand, one hundred twenty-two".