222002000210121 has 16 divisors (see below), whose sum is σ = 304191678201600. Its totient is φ = 143911799929728.

The previous prime is 222002000210119. The next prime is 222002000210129. The reversal of 222002000210121 is 121012000200222.

It is not a de Polignac number, because 222002000210121 - 2¹ = 222002000210119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222002000210121.

It is not an unprimeable number, because it can be changed into a prime (222002000210129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621331041 + ... + 621688238.

It is an arithmetic number, because the mean of its divisors is an integer number (19011979887600).

Almost surely, 2^{222002000210121} is an apocalyptic number.

It is an amenable number.

222002000210121 is a deficient number, since it is larger than the sum of its proper divisors (82189677991479).

222002000210121 is a wasteful number, since it uses less digits than its factorization.

222002000210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243020928.

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

Adding to 222002000210121 its reverse (121012000200222), we get a palindrome (343014000410343).

The spelling of 222002000210121 in words is "two hundred twenty-two trillion, two billion, two hundred ten thousand, one hundred twenty-one".