11121012102 has 16 divisors (see below), whose sum is σ = 22243954752. Its totient is φ = 3706682280.

The previous prime is 11121012079. The next prime is 11121012107. The reversal of 11121012102 is 20121012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121012107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753 + ... + 149139.

It is an arithmetic number, because the mean of its divisors is an integer number (1390247172).

Almost surely, 2^11121012102 is an apocalyptic number.

11121012102 is an abundant number, since it is smaller than the sum of its proper divisors (11122942650).

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

11121012102 is a wasteful number, since it uses less digits than its factorization.

11121012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160883.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11121012102 its reverse (20121012111), we get a palindrome (31242024213).

Subtracting 11121012102 from its reverse (20121012111), we obtain a palindrome (9000000009).

The spelling of 11121012102 in words is "eleven billion, one hundred twenty-one million, twelve thousand, one hundred two".