102221102022121 has 8 divisors (see below), whose sum is σ = 104598969672384. Its totient is φ = 99843263131920.

The previous prime is 102221102022113. The next prime is 102221102022163. The reversal of 102221102022121 is 121220201122201.

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 102221102022121 - 2³ = 102221102022113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221102028121) 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, 85860 + ... + 14298586.

It is an arithmetic number, because the mean of its divisors is an integer number (13074871209048).

Almost surely, 2^{102221102022121} is an apocalyptic number.

It is an amenable number.

102221102022121 is a deficient number, since it is larger than the sum of its proper divisors (2377867650263).

102221102022121 is a wasteful number, since it uses less digits than its factorization.

102221102022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14380031.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102221102022121 its reverse (121220201122201), we get a palindrome (223441303144322).

The spelling of 102221102022121 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred two million, twenty-two thousand, one hundred twenty-one".