11003121102 has 16 divisors (see below), whose sum is σ = 22379230080. Its totient is φ = 3605542392.

The previous prime is 11003121083. The next prime is 11003121131. The reversal of 11003121102 is 20112130011.

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, 15540778 + ... + 15541485.

It is an arithmetic number, because the mean of its divisors is an integer number (1398701880).

Almost surely, 2^11003121102 is an apocalyptic number.

11003121102 is an abundant number, since it is smaller than the sum of its proper divisors (11376108978).

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

11003121102 is a wasteful number, since it uses less digits than its factorization.

11003121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31082327.

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

Adding to 11003121102 its reverse (20112130011), we get a palindrome (31115251113).

The spelling of 11003121102 in words is "eleven billion, three million, one hundred twenty-one thousand, one hundred two".