11100123342 has 192 divisors, whose sum is σ = 31821004800. Its totient is φ = 2709080640.

The previous prime is 11100123337. The next prime is 11100123367. The reversal of 11100123342 is 24332100111.

It is a super-2 number, since 2×11100123342² (a number of 21 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 95 ways as a sum of consecutive naturals, for example, 3342759 + ... + 3346077.

It is an arithmetic number, because the mean of its divisors is an integer number (165734400).

Almost surely, 2^11100123342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100123342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15910502400).

11100123342 is an abundant number, since it is smaller than the sum of its proper divisors (20720881458).

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

11100123342 is a wasteful number, since it uses less digits than its factorization.

11100123342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11100123342 its reverse (24332100111), we get a palindrome (35432223453).

The spelling of 11100123342 in words is "eleven billion, one hundred million, one hundred twenty-three thousand, three hundred forty-two".