11143421102 has 32 divisors (see below), whose sum is σ = 18807220224. Its totient is φ = 4908292000.

The previous prime is 11143421099. The next prime is 11143421117. The reversal of 11143421102 is 20112434111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51083 + ... + 157785.

It is an arithmetic number, because the mean of its divisors is an integer number (587725632).

Almost surely, 2^11143421102 is an apocalyptic number.

11143421102 is a deficient number, since it is larger than the sum of its proper divisors (7663799122).

11143421102 is a wasteful number, since it uses less digits than its factorization.

11143421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106864.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11143421102 its reverse (20112434111), we get a palindrome (31255855213).

The spelling of 11143421102 in words is "eleven billion, one hundred forty-three million, four hundred twenty-one thousand, one hundred two".