11121211102 has 16 divisors (see below), whose sum is σ = 17296046640. Its totient is φ = 5356728832.

The previous prime is 11121211039. The next prime is 11121211121. The reversal of 11121211102 is 20111212111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190723 + ... + 242110.

It is an arithmetic number, because the mean of its divisors is an integer number (1081002915).

Almost surely, 2^11121211102 is an apocalyptic number.

11121211102 is a deficient number, since it is larger than the sum of its proper divisors (6174835538).

11121211102 is a wasteful number, since it uses less digits than its factorization.

11121211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433307.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121211102 its reverse (20111212111), we get a palindrome (31232423213).

The spelling of 11121211102 in words is "eleven billion, one hundred twenty-one million, two hundred eleven thousand, one hundred two".