10011202120 has 16 divisors (see below), whose sum is σ = 22525204860. Its totient is φ = 4004480832.

The previous prime is 10011202067. The next prime is 10011202139. The reversal of 10011202120 is 2120211001.

It can be written as a sum of positive squares in 2 ways, for example, as 9023860036 + 987342084 = 94994^2 + 31422^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10011202097 and 10011202106.

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, 125139987 + ... + 125140066.

Almost surely, 2^10011202120 is an apocalyptic number.

10011202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011202120 is an abundant number, since it is smaller than the sum of its proper divisors (12514002740).

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

10011202120 is a wasteful number, since it uses less digits than its factorization.

10011202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250280064 (or 250280060 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10011202120 its reverse (2120211001), we get a palindrome (12131413121).

The spelling of 10011202120 in words is "ten billion, eleven million, two hundred two thousand, one hundred twenty".