10001121100 has 36 divisors (see below), whose sum is σ = 21737627800. Its totient is φ = 3993960960.

The previous prime is 10001121059. The next prime is 10001121113. The reversal of 10001121100 is 112110001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18885 + ... + 142684.

Almost surely, 2^10001121100 is an apocalyptic number.

10001121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001121100 is an abundant number, since it is smaller than the sum of its proper divisors (11736506700).

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

10001121100 is a wasteful number, since it uses less digits than its factorization.

10001121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162202 (or 162195 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10001121100 its reverse (112110001), we get a palindrome (10113231101).

The spelling of 10001121100 in words is "ten billion, one million, one hundred twenty-one thousand, one hundred".