22221212100122 has 32 divisors (see below), whose sum is σ = 38494508787840. Its totient is φ = 9423168307200.

The previous prime is 22221212100077. The next prime is 22221212100137. The reversal of 22221212100122 is 22100121212222.

It is a junction number, because it is equal to n+sod(n) for n = 22221212100094 and 22221212100103.

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, 4556954 + ... + 8075162.

It is an arithmetic number, because the mean of its divisors is an integer number (1202953399620).

Almost surely, 2^{22221212100122} is an apocalyptic number.

22221212100122 is a deficient number, since it is larger than the sum of its proper divisors (16273296687718).

22221212100122 is a wasteful number, since it uses less digits than its factorization.

22221212100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522966.

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

Adding to 22221212100122 its reverse (22100121212222), we get a palindrome (44321333312344).

It can be divided in two parts, 22221212100 and 122, that added together give a palindrome (22221212222).

The spelling of 22221212100122 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, one hundred twenty-two".