1191230042110 has 16 divisors (see below), whose sum is σ = 2154376231632. Its totient is φ = 474233760000.

The previous prime is 1191230042069. The next prime is 1191230042129. The reversal of 1191230042110 is 112400321911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282279891 + ... + 282284110.

It is an arithmetic number, because the mean of its divisors is an integer number (134648514477).

Almost surely, 2^{1191230042110} is an apocalyptic number.

1191230042110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1191230042110 is a deficient number, since it is larger than the sum of its proper divisors (963146189522).

1191230042110 is a wasteful number, since it uses less digits than its factorization.

1191230042110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564564219.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1191230042110 in words is "one trillion, one hundred ninety-one billion, two hundred thirty million, forty-two thousand, one hundred ten".