2231111203112 has 64 divisors (see below), whose sum is σ = 4571974756800. Its totient is φ = 1012290301440.

The previous prime is 2231111203099. The next prime is 2231111203129. The reversal of 2231111203112 is 2113021111322.

It is a super-3 number, since 3×2231111203112³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111562298 + ... + 111582294.

It is an arithmetic number, because the mean of its divisors is an integer number (71437105575).

Almost surely, 2^{2231111203112} is an apocalyptic number.

2231111203112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2231111203112 is an abundant number, since it is smaller than the sum of its proper divisors (2340863553688).

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

2231111203112 is a wasteful number, since it uses less digits than its factorization.

2231111203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22266 (or 22262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2231111203112 its reverse (2113021111322), we get a palindrome (4344132314434).

The spelling of 2231111203112 in words is "two trillion, two hundred thirty-one billion, one hundred eleven million, two hundred three thousand, one hundred twelve".