222212200021122 has 32 divisors (see below), whose sum is σ = 456477021669312. Its totient is φ = 72062324046144.

The previous prime is 222212200021121. The next prime is 222212200021153. The reversal of 222212200021122 is 221120002212222.

It is a super-2 number, since 2×222212200021122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222212200021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42653908 + ... + 47579199.

It is an arithmetic number, because the mean of its divisors is an integer number (14264906927166).

Almost surely, 2^{222212200021122} is an apocalyptic number.

222212200021122 is an abundant number, since it is smaller than the sum of its proper divisors (234264821648190).

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

222212200021122 is a wasteful number, since it uses less digits than its factorization.

222212200021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90244242.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222212200021122 its reverse (221120002212222), we get a palindrome (443332202233344).

The spelling of 222212200021122 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred million, twenty-one thousand, one hundred twenty-two".