1091100010 has 64 divisors (see below), whose sum is σ = 2636976384. Its totient is φ = 313920000.

The previous prime is 1091099987. The next prime is 1091100119. The reversal of 1091100010 is 100011901.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44491 + ... + 64510.

It is an arithmetic number, because the mean of its divisors is an integer number (41202756).

Almost surely, 2^1091100010 is an apocalyptic number.

1091100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091100010 is an abundant number, since it is smaller than the sum of its proper divisors (1545876374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091100010 is a wasteful number, since it uses less digits than its factorization.

1091100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109039.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1091100010 is about 33031.8030086158. The cubic root of 1091100010 is about 1029.4885480385.

Adding to 1091100010 its reverse (100011901), we get a palindrome (1191111911).

It can be divided in two parts, 1091 and 100010, that added together give a palindrome (101101).

The spelling of 1091100010 in words is "one billion, ninety-one million, one hundred thousand, ten".