102021022110121 has 16 divisors (see below), whose sum is σ = 108711974171520. Its totient is φ = 95406723959040.

The previous prime is 102021022110083. The next prime is 102021022110131. The reversal of 102021022110121 is 121011220120201.

It is a cyclic number.

It is not a de Polignac number, because 102021022110121 - 2⁹ = 102021022109609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102021022110095 and 102021022110104.

It is not an unprimeable number, because it can be changed into a prime (102021022110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197865070 + ... + 198380008.

It is an arithmetic number, because the mean of its divisors is an integer number (6794498385720).

Almost surely, 2^{102021022110121} is an apocalyptic number.

It is an amenable number.

102021022110121 is a deficient number, since it is larger than the sum of its proper divisors (6690952061399).

102021022110121 is a wasteful number, since it uses less digits than its factorization.

102021022110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589344.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102021022110121 its reverse (121011220120201), we get a palindrome (223032242230322).

The spelling of 102021022110121 in words is "one hundred two trillion, twenty-one billion, twenty-two million, one hundred ten thousand, one hundred twenty-one".