10221002001222 has 32 divisors (see below), whose sum is σ = 20596487587200. Its totient is φ = 3381271067328.

The previous prime is 10221002001209. The next prime is 10221002001251. The reversal of 10221002001222 is 22210020012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109429 + ... + 4522607.

It is an arithmetic number, because the mean of its divisors is an integer number (643640237100).

Almost surely, 2^{10221002001222} is an apocalyptic number.

10221002001222 is an abundant number, since it is smaller than the sum of its proper divisors (10375485585978).

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

10221002001222 is a wasteful number, since it uses less digits than its factorization.

10221002001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416100.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10221002001222 its reverse (22210020012201), we get a palindrome (32431022013423).

The spelling of 10221002001222 in words is "ten trillion, two hundred twenty-one billion, two million, one thousand, two hundred twenty-two".