11002121120 has 24 divisors (see below), whose sum is σ = 25992511524. Its totient is φ = 4400848384.

The previous prime is 11002121107. The next prime is 11002121131. The reversal of 11002121120 is 2112120011.

It can be written as a sum of positive squares in 2 ways, for example, as 10955390224 + 46730896 = 104668^2 + 6836^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34381469 + ... + 34381788.

Almost surely, 2^11002121120 is an apocalyptic number.

11002121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002121120 is an abundant number, since it is smaller than the sum of its proper divisors (14990390404).

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

11002121120 is an equidigital number, since it uses as much as digits as its factorization.

11002121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68763272 (or 68763264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11002121120 its reverse (2112120011), we get a palindrome (13114241131).

The spelling of 11002121120 in words is "eleven billion, two million, one hundred twenty-one thousand, one hundred twenty".