11203100142 has 64 divisors (see below), whose sum is σ = 24992815680. Its totient is φ = 3324109824.

The previous prime is 11203100141. The next prime is 11203100179. The reversal of 11203100142 is 24100130211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203100141) 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, 2153088 + ... + 2158284.

It is an arithmetic number, because the mean of its divisors is an integer number (390512745).

Almost surely, 2^11203100142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11203100142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12496407840).

11203100142 is an abundant number, since it is smaller than the sum of its proper divisors (13789715538).

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

11203100142 is a wasteful number, since it uses less digits than its factorization.

11203100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11203100142 its reverse (24100130211), we get a palindrome (35303230353).

The spelling of 11203100142 in words is "eleven billion, two hundred three million, one hundred thousand, one hundred forty-two".