10021110222220 has 24 divisors (see below), whose sum is σ = 21076558647984. Its totient is φ = 4002305578176.

The previous prime is 10021110222199. The next prime is 10021110222269. The reversal of 10021110222220 is 2222201112001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021110222194 and 10021110222203.

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, 383643534 + ... + 383669653.

It is an arithmetic number, because the mean of its divisors is an integer number (878189943666).

Almost surely, 2^{10021110222220} is an apocalyptic number.

10021110222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021110222220 is an abundant number, since it is smaller than the sum of its proper divisors (11055448425764).

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

10021110222220 is a wasteful number, since it uses less digits than its factorization.

10021110222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767313849 (or 767313847 counting only the distinct ones).

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

Adding to 10021110222220 its reverse (2222201112001), we get a palindrome (12243311334221).

The spelling of 10021110222220 in words is "ten trillion, twenty-one billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty".