1091092919102 has 8 divisors (see below), whose sum is σ = 1636672651200. Its totient is φ = 545535368704.

The previous prime is 1091092919093. The next prime is 1091092919117. The reversal of 1091092919102 is 2019192901901.

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

It is a super-2 number, since 2×1091092919102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5421902 + ... + 5619537.

It is an arithmetic number, because the mean of its divisors is an integer number (204584081400).

Almost surely, 2^{1091092919102} is an apocalyptic number.

1091092919102 is a deficient number, since it is larger than the sum of its proper divisors (545579732098).

1091092919102 is a wasteful number, since it uses less digits than its factorization.

1091092919102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090850.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 1091092919102 in words is "one trillion, ninety-one billion, ninety-two million, nine hundred nineteen thousand, one hundred two".