2220022121022 has 96 divisors (see below), whose sum is σ = 5050413089280. Its totient is φ = 703433586240.

The previous prime is 2220022120997. The next prime is 2220022121047. The reversal of 2220022121022 is 2201212200222.

It is an interprime number because it is at equal distance from previous prime (2220022120997) and next prime (2220022121047).

It is a super-2 number, since 2×2220022121022² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220022120986 and 2220022121004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129009943 + ... + 129027149.

It is an arithmetic number, because the mean of its divisors is an integer number (52608469680).

Almost surely, 2^{2220022121022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220022121022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2525206544640).

2220022121022 is an abundant number, since it is smaller than the sum of its proper divisors (2830390968258).

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

2220022121022 is a wasteful number, since it uses less digits than its factorization.

2220022121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19158 (or 19155 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220022121022 its reverse (2201212200222), we get a palindrome (4421234321244).

The spelling of 2220022121022 in words is "two trillion, two hundred twenty billion, twenty-two million, one hundred twenty-one thousand, twenty-two".