203422111011444 has 96 divisors (see below), whose sum is σ = 528229493092224. Its totient is φ = 60530499187200.

The previous prime is 203422111011433. The next prime is 203422111011523. The reversal of 203422111011444 is 444110111224302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149447739 + ... + 150802754.

It is an arithmetic number, because the mean of its divisors is an integer number (5502390553044).

Almost surely, 2^{203422111011444} is an apocalyptic number.

It is an amenable number.

203422111011444 is an abundant number, since it is smaller than the sum of its proper divisors (324807382080780).

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

203422111011444 is a wasteful number, since it uses less digits than its factorization.

203422111011444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300250657 (or 300250655 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 203422111011444 its reverse (444110111224302), we get a palindrome (647532222235746).

The spelling of 203422111011444 in words is "two hundred three trillion, four hundred twenty-two billion, one hundred eleven million, eleven thousand, four hundred forty-four".