10212021112020 has 192 divisors, whose sum is σ = 35616199772160. Its totient is φ = 2128664812032.

The previous prime is 10212021111997. The next prime is 10212021112057. The reversal of 10212021112020 is 2021112021201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10813890 + ... + 11720249.

It is an arithmetic number, because the mean of its divisors is an integer number (185501040480).

Almost surely, 2^{10212021112020} is an apocalyptic number.

10212021112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212021112020 is an abundant number, since it is smaller than the sum of its proper divisors (25404178660140).

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

10212021112020 is a wasteful number, since it uses less digits than its factorization.

10212021112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22534254 (or 22534252 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212021112020 its reverse (2021112021201), we get a palindrome (12233133133221).

The spelling of 10212021112020 in words is "ten trillion, two hundred twelve billion, twenty-one million, one hundred twelve thousand, twenty".