22212121001120 has 96 divisors (see below), whose sum is σ = 52969379936256. Its totient is φ = 8801547955200.

The previous prime is 22212121001107. The next prime is 22212121001171. The reversal of 22212121001120 is 2110012121222.

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, 12604655 + ... + 14258385.

It is an arithmetic number, because the mean of its divisors is an integer number (551764374336).

Almost surely, 2^{22212121001120} is an apocalyptic number.

22212121001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212121001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26484689968128).

22212121001120 is an abundant number, since it is smaller than the sum of its proper divisors (30757258935136).

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

22212121001120 is a wasteful number, since it uses less digits than its factorization.

22212121001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654534 (or 1654526 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212121001120 its reverse (2110012121222), we get a palindrome (24322133122342).

The spelling of 22212121001120 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, one thousand, one hundred twenty".