2220121023222 has 16 divisors (see below), whose sum is σ = 4441355215920. Its totient is φ = 739854812832.

The previous prime is 2220121023221. The next prime is 2220121023251. The reversal of 2220121023222 is 2223201210222.

It is a super-2 number, since 2×2220121023222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220121023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46356133 + ... + 46404000.

It is an arithmetic number, because the mean of its divisors is an integer number (277584700995).

Almost surely, 2^{2220121023222} is an apocalyptic number.

2220121023222 is an abundant number, since it is smaller than the sum of its proper divisors (2221234192698).

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

2220121023222 is a wasteful number, since it uses less digits than its factorization.

2220121023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92764127.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2220121023222 its reverse (2223201210222), we get a palindrome (4443322233444).

The spelling of 2220121023222 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, twenty-three thousand, two hundred twenty-two".