1131012112203 has 32 divisors (see below), whose sum is σ = 1778058892800. Its totient is φ = 709000937568.

The previous prime is 1131012112183. The next prime is 1131012112211. The reversal of 1131012112203 is 3022112101311.

1131012112203 is a `hidden beast` number, since 11 + 310 + 121 + 1 + 220 + 3 = 666.

It is not a de Polignac number, because 1131012112203 - 2¹⁴ = 1131012095819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131012112213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15397900 + ... + 15471177.

It is an arithmetic number, because the mean of its divisors is an integer number (55564340400).

Almost surely, 2^{1131012112203} is an apocalyptic number.

1131012112203 is a deficient number, since it is larger than the sum of its proper divisors (647046780597).

1131012112203 is a wasteful number, since it uses less digits than its factorization.

1131012112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30869168 (or 30869162 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1131012112203 its reverse (3022112101311), we get a palindrome (4153124213514).

The spelling of 1131012112203 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred twelve thousand, two hundred three".