10111012032020 has 48 divisors (see below), whose sum is σ = 22022904507408. Its totient is φ = 3896135193600.

The previous prime is 10111012031987. The next prime is 10111012032041. The reversal of 10111012032020 is 2023021011101.

It can be written as a sum of positive squares in 8 ways, for example, as 4928204641936 + 5182807390084 = 2219956^2 + 2276578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10111012031986 and 10111012032004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67566497 + ... + 67715976.

It is an arithmetic number, because the mean of its divisors is an integer number (458810510571).

Almost surely, 2^{10111012032020} is an apocalyptic number.

10111012032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111012032020 is an abundant number, since it is smaller than the sum of its proper divisors (11911892475388).

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

10111012032020 is a wasteful number, since it uses less digits than its factorization.

10111012032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135282620 (or 135282618 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10111012032020 its reverse (2023021011101), we get a palindrome (12134033043121).

The spelling of 10111012032020 in words is "ten trillion, one hundred eleven billion, twelve million, thirty-two thousand, twenty".