1091101101010 has 16 divisors (see below), whose sum is σ = 2027336239872. Its totient is φ = 422361716400.

The previous prime is 1091101100933. The next prime is 1091101101151. The reversal of 1091101101010 is 101011011901.

It is a super-2 number, since 2×1091101101010² (a number of 25 digits) contains 22 as substring.

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, 1759840176 + ... + 1759840795.

It is an arithmetic number, because the mean of its divisors is an integer number (126708514992).

Almost surely, 2^{1091101101010} is an apocalyptic number.

1091101101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091101101010 is a deficient number, since it is larger than the sum of its proper divisors (936235138862).

1091101101010 is a wasteful number, since it uses less digits than its factorization.

1091101101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519681009.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 1091101101010 its reverse (101011011901), we get a palindrome (1192112112911).

The spelling of 1091101101010 in words is "one trillion, ninety-one billion, one hundred one million, one hundred one thousand, ten".