10221222020112 has 60 divisors (see below), whose sum is σ = 29591612613420. Its totient is φ = 3289588694784.

The previous prime is 10221222020101. The next prime is 10221222020147. The reversal of 10221222020112 is 21102022212201.

It is a happy number.

10221222020112 is a `hidden beast` number, since 10 + 221 + 2 + 220 + 201 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7576058071296 + 2645163948816 = 2752464^2 + 1626396^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223801143 + ... + 1223809494.

It is an arithmetic number, because the mean of its divisors is an integer number (493193543557).

Almost surely, 2^{10221222020112} is an apocalyptic number.

10221222020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221222020112 is an abundant number, since it is smaller than the sum of its proper divisors (19370390593308).

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

10221222020112 is a wasteful number, since it uses less digits than its factorization.

10221222020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447610680 (or 2447610671 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221222020112 its reverse (21102022212201), we get a palindrome (31323244232313).

The spelling of 10221222020112 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty thousand, one hundred twelve".