102210103220121 has 16 divisors (see below), whose sum is σ = 163070250152320. Its totient is φ = 62898525058320.

The previous prime is 102210103220117. The next prime is 102210103220123. The reversal of 102210103220121 is 121022301012201.

102210103220121 is a `hidden beast` number, since 1 + 0 + 2 + 210 + 10 + 322 + 0 + 121 = 666.

It is not a de Polignac number, because 102210103220121 - 2² = 102210103220117 is a prime.

It is a super-3 number, since 3×102210103220121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102210103220094 and 102210103220103.

It is not an unprimeable number, because it can be changed into a prime (102210103220123) 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, 145598437285 + ... + 145598437986.

It is an arithmetic number, because the mean of its divisors is an integer number (10191890634520).

Almost surely, 2^{102210103220121} is an apocalyptic number.

It is an amenable number.

102210103220121 is a deficient number, since it is larger than the sum of its proper divisors (60860146932199).

102210103220121 is a wasteful number, since it uses less digits than its factorization.

102210103220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291196875293 (or 291196875287 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102210103220121 its reverse (121022301012201), we get a palindrome (223232404232322).

The spelling of 102210103220121 in words is "one hundred two trillion, two hundred ten billion, one hundred three million, two hundred twenty thousand, one hundred twenty-one".