1131230123110 has 16 divisors (see below), whose sum is σ = 2036238304896. Its totient is φ = 452486697408.

The previous prime is 1131230123017. The next prime is 1131230123119. The reversal of 1131230123110 is 113210321311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131230123119) 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, 283339 + ... + 1530601.

It is an arithmetic number, because the mean of its divisors is an integer number (127264894056).

Almost surely, 2^{1131230123110} is an apocalyptic number.

1131230123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131230123110 is a deficient number, since it is larger than the sum of its proper divisors (905008181786).

1131230123110 is a wasteful number, since it uses less digits than its factorization.

1131230123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337967.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1131230123110 its reverse (113210321311), we get a palindrome (1244440444421).

The spelling of 1131230123110 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, one hundred twenty-three thousand, one hundred ten".