102212122022121 has 8 divisors (see below), whose sum is σ = 137098894209984. Its totient is φ = 67733382257840.

The previous prime is 102212122022053. The next prime is 102212122022161. The reversal of 102212122022121 is 121220221212201.

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

It is a cyclic number.

It is not a de Polignac number, because 102212122022121 - 2⁷ = 102212122021993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102212122022161) 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, 102008105310 + ... + 102008106311.

It is an arithmetic number, because the mean of its divisors is an integer number (17137361776248).

Almost surely, 2^{102212122022121} is an apocalyptic number.

It is an amenable number.

102212122022121 is a deficient number, since it is larger than the sum of its proper divisors (34886772187863).

102212122022121 is a wasteful number, since it uses less digits than its factorization.

102212122022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204016211791.

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

Adding to 102212122022121 its reverse (121220221212201), we get a palindrome (223432343234322).

The spelling of 102212122022121 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-one".