11123231001102 has 96 divisors (see below), whose sum is σ = 26420648791680. Its totient is φ = 3354104727360.

The previous prime is 11123231001061. The next prime is 11123231001151. The reversal of 11123231001102 is 20110013232111.

11123231001102 is a `hidden beast` number, since 1 + 11 + 232 + 310 + 0 + 110 + 2 = 666.

It is a super-2 number, since 2×11123231001102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88885608 + ... + 89010660.

It is an arithmetic number, because the mean of its divisors is an integer number (275215091580).

Almost surely, 2^{11123231001102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123231001102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13210324395840).

11123231001102 is an abundant number, since it is smaller than the sum of its proper divisors (15297417790578).

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

11123231001102 is a wasteful number, since it uses less digits than its factorization.

11123231001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127278 (or 127275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11123231001102 its reverse (20110013232111), we get a palindrome (31233244233213).

The spelling of 11123231001102 in words is "eleven trillion, one hundred twenty-three billion, two hundred thirty-one million, one thousand, one hundred two".