10020111202120 has 32 divisors (see below), whose sum is σ = 22576007774520. Its totient is φ = 4002576468480.

The previous prime is 10020111202117. The next prime is 10020111202141. The reversal of 10020111202120 is 2120211102001.

It can be written as a sum of positive squares in 4 ways, for example, as 10019795144836 + 316057284 = 3165406^2 + 17778^2 .

It is a super-2 number, since 2×10020111202120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10020111202120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170845701 + ... + 170904340.

Almost surely, 2^{10020111202120} is an apocalyptic number.

10020111202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020111202120 is an abundant number, since it is smaller than the sum of its proper divisors (12555896572400).

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

10020111202120 is a wasteful number, since it uses less digits than its factorization.

10020111202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341750785 (or 341750781 counting only the distinct ones).

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

Adding to 10020111202120 its reverse (2120211102001), we get a palindrome (12140322304121).

The spelling of 10020111202120 in words is "ten trillion, twenty billion, one hundred eleven million, two hundred two thousand, one hundred twenty".