1131111002012 has 24 divisors (see below), whose sum is σ = 1984963764672. Its totient is φ = 563980032000.

The previous prime is 1131111002011. The next prime is 1131111002107. The reversal of 1131111002012 is 2102001111311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131111002011) 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, 2774312 + ... + 3155792.

It is an arithmetic number, because the mean of its divisors is an integer number (82706823528).

Almost surely, 2^{1131111002012} is an apocalyptic number.

It is an amenable number.

1131111002012 is a deficient number, since it is larger than the sum of its proper divisors (853852762660).

1131111002012 is a wasteful number, since it uses less digits than its factorization.

1131111002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383549 (or 383547 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1131111002012 its reverse (2102001111311), we get a palindrome (3233112113323).

The spelling of 1131111002012 in words is "one trillion, one hundred thirty-one billion, one hundred eleven million, two thousand, twelve".