10022002221220 has 24 divisors (see below), whose sum is σ = 22959495998208. Its totient is φ = 3644364444000.

The previous prime is 10022002221167. The next prime is 10022002221251. The reversal of 10022002221220 is 2212220022001.

It is a super-2 number, since 2×10022002221220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10022002221194 and 10022002221203.

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, 22777277556 + ... + 22777277995.

It is an arithmetic number, because the mean of its divisors is an integer number (956645666592).

Almost surely, 2^{10022002221220} is an apocalyptic number.

10022002221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10022002221220 is an abundant number, since it is smaller than the sum of its proper divisors (12937493776988).

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

10022002221220 is a wasteful number, since it uses less digits than its factorization.

10022002221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45554555571 (or 45554555569 counting only the distinct ones).

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

Adding to 10022002221220 its reverse (2212220022001), we get a palindrome (12234222243221).

The spelling of 10022002221220 in words is "ten trillion, twenty-two billion, two million, two hundred twenty-one thousand, two hundred twenty".