10012021122020 has 48 divisors (see below), whose sum is σ = 21795302733120. Its totient is φ = 3860153806464.

The previous prime is 10012021122013. The next prime is 10012021122049. The reversal of 10012021122020 is 2022112021001.

It is a junction number, because it is equal to n+sod(n) for n = 10012021121986 and 10012021122004.

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 15 ways as a sum of consecutive naturals, for example, 63143990 + ... + 63302349.

It is an arithmetic number, because the mean of its divisors is an integer number (454068806940).

Almost surely, 2^{10012021122020} is an apocalyptic number.

10012021122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012021122020 is an abundant number, since it is smaller than the sum of its proper divisors (11783281611100).

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

10012021122020 is a wasteful number, since it uses less digits than its factorization.

10012021122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126446492 (or 126446490 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012021122020 its reverse (2022112021001), we get a palindrome (12034133143021).

The spelling of 10012021122020 in words is "ten trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, twenty".