1131312112102 has 8 divisors (see below), whose sum is σ = 1697038879536. Its totient is φ = 565632485592.

The previous prime is 1131312112093. The next prime is 1131312112103. The reversal of 1131312112102 is 2012112131311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1131312112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131312112103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11725173 + ... + 11821264.

It is an arithmetic number, because the mean of its divisors is an integer number (212129859942).

Almost surely, 2^{1131312112102} is an apocalyptic number.

1131312112102 is a deficient number, since it is larger than the sum of its proper divisors (565726767434).

1131312112102 is a wasteful number, since it uses less digits than its factorization.

1131312112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23570462.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1131312112102 its reverse (2012112131311), we get a palindrome (3143424243413).

The spelling of 1131312112102 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, one hundred twelve thousand, one hundred two".