222102011121 has 8 divisors (see below), whose sum is σ = 296512302624. Its totient is φ = 147879863520.

The previous prime is 222102011083. The next prime is 222102011129. The reversal of 222102011121 is 121110201222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222102011121 - 2¹⁸ = 222101748977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222102011121.

It is not an unprimeable number, because it can be changed into a prime (222102011129) 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, 47033220 + ... + 47037941.

It is an arithmetic number, because the mean of its divisors is an integer number (37064037828).

Almost surely, 2^222102011121 is an apocalyptic number.

It is an amenable number.

222102011121 is a deficient number, since it is larger than the sum of its proper divisors (74410291503).

222102011121 is an equidigital number, since it uses as much as digits as its factorization.

222102011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94071951.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222102011121 its reverse (121110201222), we get a palindrome (343212212343).

The spelling of 222102011121 in words is "two hundred twenty-two billion, one hundred two million, eleven thousand, one hundred twenty-one".