222102002121 has 8 divisors (see below), whose sum is σ = 311722108320. Its totient is φ = 140274948672.

The previous prime is 222102002119. The next prime is 222102002131. The reversal of 222102002121 is 121200201222.

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

It is not a de Polignac number, because 222102002121 - 2¹ = 222102002119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222102002121.

It is not an unprimeable number, because it can be changed into a prime (222102002131) 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, 1948263120 + ... + 1948263233.

It is an arithmetic number, because the mean of its divisors is an integer number (38965263540).

Almost surely, 2^222102002121 is an apocalyptic number.

It is an amenable number.

222102002121 is a deficient number, since it is larger than the sum of its proper divisors (89620106199).

222102002121 is a wasteful number, since it uses less digits than its factorization.

222102002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896526375.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222102002121 its reverse (121200201222), we get a palindrome (343302203343).

The spelling of 222102002121 in words is "two hundred twenty-two billion, one hundred two million, two thousand, one hundred twenty-one".