11204142102 has 40 divisors (see below), whose sum is σ = 25111625616. Its totient is φ = 3733814448.

The previous prime is 11204142101. The next prime is 11204142181. The reversal of 11204142102 is 20124140211.

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 (11204142101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1267783 + ... + 1276589.

Almost surely, 2^11204142102 is an apocalyptic number.

11204142102 is an abundant number, since it is smaller than the sum of its proper divisors (13907483514).

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

11204142102 is an equidigital number, since it uses as much as digits as its factorization.

11204142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674 (or 16665 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11204142102 its reverse (20124140211), we get a palindrome (31328282313).

The spelling of 11204142102 in words is "eleven billion, two hundred four million, one hundred forty-two thousand, one hundred two".