203021322111112 has 16 divisors (see below), whose sum is σ = 381614268188700. Its totient is φ = 101257517260800.

The previous prime is 203021322111107. The next prime is 203021322111121. The reversal of 203021322111112 is 211111223120302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143745088911876 + 59276233199236 = 11989374^2 + 7699106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31642970937 + ... + 31642977352.

Almost surely, 2^{203021322111112} is an apocalyptic number.

It is an amenable number.

203021322111112 is a deficient number, since it is larger than the sum of its proper divisors (178592946077588).

203021322111112 is a wasteful number, since it uses less digits than its factorization.

203021322111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63285948696 (or 63285948692 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 203021322111112 its reverse (211111223120302), we get a palindrome (414132545231414).

The spelling of 203021322111112 in words is "two hundred three trillion, twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, one hundred twelve".