11202123111102 has 48 divisors (see below), whose sum is σ = 30260280615552. Its totient is φ = 2909642366160.

The previous prime is 11202123111029. The next prime is 11202123111143. The reversal of 11202123111102 is 20111132120211.

It is a happy number.

11202123111102 is a `hidden beast` number, since 11 + 20 + 212 + 311 + 110 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4041168568 + ... + 4041171339.

It is an arithmetic number, because the mean of its divisors is an integer number (630422512824).

Almost surely, 2^{11202123111102} is an apocalyptic number.

11202123111102 is an abundant number, since it is smaller than the sum of its proper divisors (19058157504450).

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

11202123111102 is a wasteful number, since it uses less digits than its factorization.

11202123111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082339933 (or 8082339930 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11202123111102 its reverse (20111132120211), we get a palindrome (31313255231313).

The spelling of 11202123111102 in words is "eleven trillion, two hundred two billion, one hundred twenty-three million, one hundred eleven thousand, one hundred two".