101111001001090 has 16 divisors (see below), whose sum is σ = 182224215875520. Its totient is φ = 40394530606320.

The previous prime is 101111001001019. The next prime is 101111001001099. The reversal of 101111001001090 is 90100100111101.

It is not an unprimeable number, because it can be changed into a prime (101111001001099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6233715750 + ... + 6233731969.

It is an arithmetic number, because the mean of its divisors is an integer number (11389013492220).

Almost surely, 2^{101111001001090} is an apocalyptic number.

101111001001090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111001001090 is a deficient number, since it is larger than the sum of its proper divisors (81113214874430).

101111001001090 is a wasteful number, since it uses less digits than its factorization.

101111001001090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12467448537.

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

Adding to 101111001001090 its reverse (90100100111101), we get a palindrome (191211101112191).

The spelling of 101111001001090 in words is "one hundred one trillion, one hundred eleven billion, one million, one thousand, ninety".