2212211221022 has 32 divisors (see below), whose sum is σ = 3637461510144. Its totient is φ = 1000701880000.

The previous prime is 2212211221007. The next prime is 2212211221081. The reversal of 2212211221022 is 2201221122122.

It is a junction number, because it is equal to n+sod(n) for n = 2212211220985 and 2212211221003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6419843 + ... + 6755649.

It is an arithmetic number, because the mean of its divisors is an integer number (113670672192).

Almost surely, 2^{2212211221022} is an apocalyptic number.

2212211221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212211221022 is a deficient number, since it is larger than the sum of its proper divisors (1425250289122).

2212211221022 is a wasteful number, since it uses less digits than its factorization.

2212211221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337264.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212211221022 its reverse (2201221122122), we get a palindrome (4413432343144).

The spelling of 2212211221022 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, twenty-two".