222011220122 has 16 divisors (see below), whose sum is σ = 343801439232. Its totient is φ = 107411618160.

The previous prime is 222011220097. The next prime is 222011220127. The reversal of 222011220122 is 221022110222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222011220122.

It is not an unprimeable number, because it can be changed into a prime (222011220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300383 + ... + 730925.

It is an arithmetic number, because the mean of its divisors is an integer number (21487589952).

Almost surely, 2^222011220122 is an apocalyptic number.

222011220122 is a deficient number, since it is larger than the sum of its proper divisors (121790219110).

222011220122 is a wasteful number, since it uses less digits than its factorization.

222011220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438893.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222011220122 its reverse (221022110222), we get a palindrome (443033330344).

The spelling of 222011220122 in words is "two hundred twenty-two billion, eleven million, two hundred twenty thousand, one hundred twenty-two".