121202122210122 has 32 divisors (see below), whose sum is σ = 249576547852224. Its totient is φ = 39210769440000.

The previous prime is 121202122210093. The next prime is 121202122210133. The reversal of 121202122210122 is 221012221202121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680653504 + ... + 680831547.

It is an arithmetic number, because the mean of its divisors is an integer number (7799267120382).

Almost surely, 2^{121202122210122} is an apocalyptic number.

121202122210122 is an abundant number, since it is smaller than the sum of its proper divisors (128374425642102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202122210122 is a wasteful number, since it uses less digits than its factorization.

121202122210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361485494.

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

Adding to 121202122210122 its reverse (221012221202121), we get a palindrome (342214343412243).

The spelling of 121202122210122 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".