222210122102121 has 32 divisors (see below), whose sum is σ = 310771970062848. Its totient is φ = 141065013473280.

The previous prime is 222210122102039. The next prime is 222210122102131. The reversal of 222210122102121 is 121201221012222.

It is not a de Polignac number, because 222210122102121 - 2²³ = 222210113713513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222210122102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164817081 + ... + 166159833.

It is an arithmetic number, because the mean of its divisors is an integer number (9711624064464).

Almost surely, 2^{222210122102121} is an apocalyptic number.

It is an amenable number.

222210122102121 is a deficient number, since it is larger than the sum of its proper divisors (88561847960727).

222210122102121 is a wasteful number, since it uses less digits than its factorization.

222210122102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374561.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222210122102121 its reverse (121201221012222), we get a palindrome (343411343114343).

The spelling of 222210122102121 in words is "two hundred twenty-two trillion, two hundred ten billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-one".