11098901121 has 32 divisors (see below), whose sum is σ = 18710009856. Its totient is φ = 5684448000.

The previous prime is 11098901119. The next prime is 11098901123. The reversal of 11098901121 is 12110989011.

It is an interprime number because it is at equal distance from previous prime (11098901119) and next prime (11098901123).

It is not a de Polignac number, because 11098901121 - 2¹ = 11098901119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11098901123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321960 + ... + 354761.

It is an arithmetic number, because the mean of its divisors is an integer number (584687808).

Almost surely, 2^11098901121 is an apocalyptic number.

11098901121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11098901121 is a deficient number, since it is larger than the sum of its proper divisors (7611108735).

11098901121 is a wasteful number, since it uses less digits than its factorization.

11098901121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676813.

The product of its (nonzero) digits is 1296, while the sum is 33.

It can be divided in two parts, 11098 and 901121, that added together give a palindrome (912219).

The spelling of 11098901121 in words is "eleven billion, ninety-eight million, nine hundred one thousand, one hundred twenty-one".