10221222120002 has 8 divisors (see below), whose sum is σ = 15416539441212. Its totient is φ = 5082375639600.

The previous prime is 10221222119921. The next prime is 10221222120059. The reversal of 10221222120002 is 20002122212201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8658594617401 + 1562627502601 = 2942549^2 + 1250051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14117709749 + ... + 14117710472.

Almost surely, 2^{10221222120002} is an apocalyptic number.

10221222120002 is a deficient number, since it is larger than the sum of its proper divisors (5195317321210).

10221222120002 is a wasteful number, since it uses less digits than its factorization.

10221222120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28235420404.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10221222120002 its reverse (20002122212201), we get a palindrome (30223344332203).

The spelling of 10221222120002 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, two".