222201112111002 has 64 divisors (see below), whose sum is σ = 494702344563840. Its totient is φ = 73928757500928.

The previous prime is 222201112110937. The next prime is 222201112111007. The reversal of 222201112111002 is 200111211102222.

222201112111002 is a `hidden beast` number, since 22 + 220 + 111 + 211 + 100 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222201112111007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233740333 + ... + 234689039.

It is an arithmetic number, because the mean of its divisors is an integer number (7729724133810).

Almost surely, 2^{222201112111002} is an apocalyptic number.

222201112111002 is an abundant number, since it is smaller than the sum of its proper divisors (272501232452838).

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

222201112111002 is a wasteful number, since it uses less digits than its factorization.

222201112111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956812 (or 956806 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222201112111002 its reverse (200111211102222), we get a palindrome (422312323213224).

The spelling of 222201112111002 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred eleven thousand, two".