11121010940 has 48 divisors (see below), whose sum is σ = 25394835648. Its totient is φ = 4066343424.

The previous prime is 11121010939. The next prime is 11121011107. The reversal of 11121010940 is 4901012111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180857 + ... + 234416.

It is an arithmetic number, because the mean of its divisors is an integer number (529059076).

Almost surely, 2^11121010940 is an apocalyptic number.

11121010940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121010940 is an abundant number, since it is smaller than the sum of its proper divisors (14273824708).

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

11121010940 is a wasteful number, since it uses less digits than its factorization.

11121010940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415398 (or 415396 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11121010940 in words is "eleven billion, one hundred twenty-one million, ten thousand, nine hundred forty".