10221221122 has 16 divisors (see below), whose sum is σ = 17809342272. Its totient is φ = 4308711120.

The previous prime is 10221221099. The next prime is 10221221147. The reversal of 10221221122 is 22112212201.

It is a happy number.

It is a super-2 number, since 2×10221221122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221221096 and 10221221105.

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, 5983468 + ... + 5985175.

It is an arithmetic number, because the mean of its divisors is an integer number (1113083892).

Almost surely, 2^10221221122 is an apocalyptic number.

10221221122 is a deficient number, since it is larger than the sum of its proper divisors (7588121150).

10221221122 is a wasteful number, since it uses less digits than its factorization.

10221221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968713.

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

Adding to 10221221122 its reverse (22112212201), we get a palindrome (32333433323).

The spelling of 10221221122 in words is "ten billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".