10221102102220 has 24 divisors (see below), whose sum is σ = 21465192646800. Its totient is φ = 4088273558592.

The previous prime is 10221102102203. The next prime is 10221102102257. The reversal of 10221102102220 is 2220120112201.

It is a happy number.

10221102102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10221102102220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221102102194 and 10221102102203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9953530 + ... + 10932289.

It is an arithmetic number, because the mean of its divisors is an integer number (894383026950).

Almost surely, 2^{10221102102220} is an apocalyptic number.

10221102102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221102102220 is an abundant number, since it is smaller than the sum of its proper divisors (11244090544580).

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

10221102102220 is a wasteful number, since it uses less digits than its factorization.

10221102102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20910297 (or 20910295 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221102102220 its reverse (2220120112201), we get a palindrome (12441222214421).

The spelling of 10221102102220 in words is "ten trillion, two hundred twenty-one billion, one hundred two million, one hundred two thousand, two hundred twenty".