203112321100022 has 16 divisors (see below), whose sum is σ = 308842549386912. Its totient is φ = 100164809384640.

The previous prime is 203112321100019. The next prime is 203112321100063. The reversal of 203112321100022 is 220001123211302.

It is a super-2 number, since 2×203112321100022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203112321099967 and 203112321100003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153527708 + ... + 154845024.

It is an arithmetic number, because the mean of its divisors is an integer number (19302659336682).

Almost surely, 2^{203112321100022} is an apocalyptic number.

203112321100022 is a deficient number, since it is larger than the sum of its proper divisors (105730228286890).

203112321100022 is a wasteful number, since it uses less digits than its factorization.

203112321100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373463.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 203112321100022 its reverse (220001123211302), we get a palindrome (423113444311324).

The spelling of 203112321100022 in words is "two hundred three trillion, one hundred twelve billion, three hundred twenty-one million, one hundred thousand, twenty-two".