22220121221122 has 16 divisors (see below), whose sum is σ = 36361640020032. Its totient is φ = 10099654639920.

The previous prime is 22220121221101. The next prime is 22220121221143. The reversal of 22220121221122 is 22112212102222.

It is an interprime number because it is at equal distance from previous prime (22220121221101) and next prime (22220121221143).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22220121221093 and 22220121221102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19455198 + ... + 20565625.

It is an arithmetic number, because the mean of its divisors is an integer number (2272602501252).

Almost surely, 2^{22220121221122} is an apocalyptic number.

22220121221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220121221122 is a deficient number, since it is larger than the sum of its proper divisors (14141518798910).

22220121221122 is a wasteful number, since it uses less digits than its factorization.

22220121221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40046073.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22220121221122 its reverse (22112212102222), we get a palindrome (44332333323344).

The spelling of 22220121221122 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".