10121222022222 has 32 divisors (see below), whose sum is σ = 20336766589440. Its totient is φ = 3358033620480.

The previous prime is 10121222022211. The next prime is 10121222022239. The reversal of 10121222022222 is 22222022212101.

It is a super-2 number, since 2×10121222022222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359897 + ... + 4700187.

It is an arithmetic number, because the mean of its divisors is an integer number (635523955920).

Almost surely, 2^{10121222022222} is an apocalyptic number.

10121222022222 is an abundant number, since it is smaller than the sum of its proper divisors (10215544567218).

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

10121222022222 is a wasteful number, since it uses less digits than its factorization.

10121222022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342648.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10121222022222 its reverse (22222022212101), we get a palindrome (32343244234323).

The spelling of 10121222022222 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-two".