10221200220220 has 48 divisors (see below), whose sum is σ = 23418740072448. Its totient is φ = 3716339831360.

The previous prime is 10221200220199. The next prime is 10221200220263. The reversal of 10221200220220 is 2202200212201.

It is a junction number, because it is equal to n+sod(n) for n = 10221200220194 and 10221200220203.

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, 1093372 + ... + 4651651.

It is an arithmetic number, because the mean of its divisors is an integer number (487890418176).

Almost surely, 2^{10221200220220} is an apocalyptic number.

10221200220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221200220220 is an abundant number, since it is smaller than the sum of its proper divisors (13197539852228).

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

10221200220220 is a wasteful number, since it uses less digits than its factorization.

10221200220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753130 (or 5753128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10221200220220 its reverse (2202200212201), we get a palindrome (12423400432421).

The spelling of 10221200220220 in words is "ten trillion, two hundred twenty-one billion, two hundred million, two hundred twenty thousand, two hundred twenty".