10020121222222 has 16 divisors (see below), whose sum is σ = 15399404748000. Its totient is φ = 4887028101760.

The previous prime is 10020121222207. The next prime is 10020121222261. The reversal of 10020121222222 is 22222212102001.

10020121222222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10020121222222.

It is a congruent number.

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, 9966322 + ... + 10925557.

It is an arithmetic number, because the mean of its divisors is an integer number (962462796750).

Almost surely, 2^{10020121222222} is an apocalyptic number.

10020121222222 is a deficient number, since it is larger than the sum of its proper divisors (5379283525778).

10020121222222 is a wasteful number, since it uses less digits than its factorization.

10020121222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20897771.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10020121222222 its reverse (22222212102001), we get a palindrome (32242333324223).

The spelling of 10020121222222 in words is "ten trillion, twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".