10221121102012 has 12 divisors (see below), whose sum is σ = 17886985607176. Its totient is φ = 5110553785680.

The previous prime is 10221121102001. The next prime is 10221121102021. The reversal of 10221121102012 is 21020112112201.

It is a congruent number.

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, 3433138 + ... + 5677030.

Almost surely, 2^{10221121102012} is an apocalyptic number.

It is an amenable number.

10221121102012 is a deficient number, since it is larger than the sum of its proper divisors (7665864505164).

10221121102012 is a wasteful number, since it uses less digits than its factorization.

10221121102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382668 (or 3382666 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221121102012 its reverse (21020112112201), we get a palindrome (31241233214213).

The spelling of 10221121102012 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred two thousand, twelve".