11102121400 has 24 divisors (see below), whose sum is σ = 25812432720. Its totient is φ = 4440848480.

The previous prime is 11102121389. The next prime is 11102121431. The reversal of 11102121400 is 412120111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27755104 + ... + 27755503.

It is an arithmetic number, because the mean of its divisors is an integer number (1075518030).

Almost surely, 2^11102121400 is an apocalyptic number.

11102121400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102121400 is an abundant number, since it is smaller than the sum of its proper divisors (14710311320).

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

11102121400 is a wasteful number, since it uses less digits than its factorization.

11102121400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55510623 (or 55510614 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11102121400 its reverse (412120111), we get a palindrome (11514241511).

The spelling of 11102121400 in words is "eleven billion, one hundred two million, one hundred twenty-one thousand, four hundred".