121002012210122 has 64 divisors (see below), whose sum is σ = 193893295325184. Its totient is φ = 56516917786560.

The previous prime is 121002012210083. The next prime is 121002012210139. The reversal of 121002012210122 is 221012210200121.

It is a self number, because there is not a number n which added to its sum of digits gives 121002012210122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99886172 + ... + 101090312.

It is an arithmetic number, because the mean of its divisors is an integer number (3029582739456).

Almost surely, 2^{121002012210122} is an apocalyptic number.

121002012210122 is a deficient number, since it is larger than the sum of its proper divisors (72891283115062).

121002012210122 is a wasteful number, since it uses less digits than its factorization.

121002012210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121002012210122 its reverse (221012210200121), we get a palindrome (342014222410243).

The spelling of 121002012210122 in words is "one hundred twenty-one trillion, two billion, twelve million, two hundred ten thousand, one hundred twenty-two".