11100420342 has 48 divisors (see below), whose sum is σ = 26428935312. Its totient is φ = 3339202560.

The previous prime is 11100420341. The next prime is 11100420367. The reversal of 11100420342 is 24302400111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100420341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177483 + ... + 231734.

It is an arithmetic number, because the mean of its divisors is an integer number (550602819).

Almost surely, 2^11100420342 is an apocalyptic number.

11100420342 is an abundant number, since it is smaller than the sum of its proper divisors (15328514970).

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

11100420342 is a wasteful number, since it uses less digits than its factorization.

11100420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409373 (or 409370 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11100420342 its reverse (24302400111), we get a palindrome (35402820453).

The spelling of 11100420342 in words is "eleven billion, one hundred million, four hundred twenty thousand, three hundred forty-two".