222111101204 has 6 divisors (see below), whose sum is σ = 388694427114. Its totient is φ = 111055550600.

The previous prime is 222111101189. The next prime is 222111101209. The reversal of 222111101204 is 402101111222.

It can be written as a sum of positive squares in only one way, i.e., 220522281604 + 1588819600 = 469598^2 + 39860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111101209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763887647 + ... + 27763887654.

It is an arithmetic number, because the mean of its divisors is an integer number (64782404519).

Almost surely, 2^222111101204 is an apocalyptic number.

It is an amenable number.

222111101204 is a deficient number, since it is larger than the sum of its proper divisors (166583325910).

222111101204 is a wasteful number, since it uses less digits than its factorization.

222111101204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55527775305 (or 55527775303 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222111101204 its reverse (402101111222), we get a palindrome (624212212426).

The spelling of 222111101204 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred one thousand, two hundred four".