1001100920090 has 16 divisors (see below), whose sum is σ = 1896822796320. Its totient is φ = 379364559120.

The previous prime is 1001100920087. The next prime is 1001100920101. The reversal of 1001100920090 is 900290011001.

It is a Curzon 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, 2634475916 + ... + 2634476295.

It is an arithmetic number, because the mean of its divisors is an integer number (118551424770).

Almost surely, 2^{1001100920090} is an apocalyptic number.

1001100920090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001100920090 is a deficient number, since it is larger than the sum of its proper divisors (895721876230).

1001100920090 is a wasteful number, since it uses less digits than its factorization.

1001100920090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268952237.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 1001100920090 its reverse (900290011001), we get a palindrome (1901390931091).

The spelling of 1001100920090 in words is "one trillion, one billion, one hundred million, nine hundred twenty thousand, ninety".