10221022121222 has 32 divisors (see below), whose sum is σ = 17922513942144. Its totient is φ = 4319947484800.

The previous prime is 10221022121221. The next prime is 10221022121267. The reversal of 10221022121222 is 22212122012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221022121194 and 10221022121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221022121221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164601104 + ... + 164663187.

It is an arithmetic number, because the mean of its divisors is an integer number (560078560692).

Almost surely, 2^{10221022121222} is an apocalyptic number.

10221022121222 is a deficient number, since it is larger than the sum of its proper divisors (7701491820922).

10221022121222 is a wasteful number, since it uses less digits than its factorization.

10221022121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329264404.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10221022121222 its reverse (22212122012201), we get a palindrome (32433144133423).

The spelling of 10221022121222 in words is "ten trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".