10212221002020 has 48 divisors (see below), whose sum is σ = 28996954293888. Its totient is φ = 2684903173120.

The previous prime is 10212221002019. The next prime is 10212221002033. The reversal of 10212221002020 is 2020012221201.

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

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, 1198613229 + ... + 1198621748.

It is an arithmetic number, because the mean of its divisors is an integer number (604103214456).

Almost surely, 2^{10212221002020} is an apocalyptic number.

10212221002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212221002020 is an abundant number, since it is smaller than the sum of its proper divisors (18784733291868).

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

10212221002020 is a wasteful number, since it uses less digits than its factorization.

10212221002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397235060 (or 2397235058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10212221002020 its reverse (2020012221201), we get a palindrome (12232233223221).

The spelling of 10212221002020 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, twenty".