10221202212020 has 48 divisors (see below), whose sum is σ = 21506339725248. Its totient is φ = 4080523150080.

The previous prime is 10221202211971. The next prime is 10221202212047. The reversal of 10221202212020 is 2021220212201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221202212020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23123480 + ... + 23561360.

It is an arithmetic number, because the mean of its divisors is an integer number (448048744276).

Almost surely, 2^{10221202212020} is an apocalyptic number.

10221202212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221202212020 is an abundant number, since it is smaller than the sum of its proper divisors (11285137513228).

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

10221202212020 is a wasteful number, since it uses less digits than its factorization.

10221202212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440160 (or 440158 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10221202212020 its reverse (2021220212201), we get a palindrome (12242422424221).

The spelling of 10221202212020 in words is "ten trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, twenty".