10222110021220 has 24 divisors (see below), whose sum is σ = 22399754134464. Its totient is φ = 3911068181856.

The previous prime is 10222110021217. The next prime is 10222110021271. The reversal of 10222110021220 is 2212001122201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10222110021194 and 10222110021203.

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, 11110988694 + ... + 11110989613.

It is an arithmetic number, because the mean of its divisors is an integer number (933323088936).

Almost surely, 2^{10222110021220} is an apocalyptic number.

10222110021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222110021220 is an abundant number, since it is smaller than the sum of its proper divisors (12177644113244).

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

10222110021220 is a wasteful number, since it uses less digits than its factorization.

10222110021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221978339 (or 22221978337 counting only the distinct ones).

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

Adding to 10222110021220 its reverse (2212001122201), we get a palindrome (12434111143421).

The spelling of 10222110021220 in words is "ten trillion, two hundred twenty-two billion, one hundred ten million, twenty-one thousand, two hundred twenty".