203111422402 has 16 divisors (see below), whose sum is σ = 348200228160. Its totient is φ = 87045447888.

The previous prime is 203111422387. The next prime is 203111422403. The reversal of 203111422402 is 204224111302.

It is not an unprimeable number, because it can be changed into a prime (203111422403) 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, 423724 + ... + 765352.

It is an arithmetic number, because the mean of its divisors is an integer number (21762514260).

Almost surely, 2^203111422402 is an apocalyptic number.

203111422402 is a deficient number, since it is larger than the sum of its proper divisors (145088805758).

203111422402 is a wasteful number, since it uses less digits than its factorization.

203111422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384105.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 203111422402 its reverse (204224111302), we get a palindrome (407335533704).

The spelling of 203111422402 in words is "two hundred three billion, one hundred eleven million, four hundred twenty-two thousand, four hundred two".