102121120110121 has 16 divisors (see below), whose sum is σ = 117615420697600. Its totient is φ = 86853918202128.

The previous prime is 102121120110089. The next prime is 102121120110197. The reversal of 102121120110121 is 121011021121201.

It is not a de Polignac number, because 102121120110121 - 2⁵ = 102121120110089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102121120110095 and 102121120110104.

It is not an unprimeable number, because it can be changed into a prime (102121120119121) 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, 27697251 + ... + 31166968.

It is an arithmetic number, because the mean of its divisors is an integer number (7350963793600).

Almost surely, 2^{102121120110121} is an apocalyptic number.

It is an amenable number.

102121120110121 is a deficient number, since it is larger than the sum of its proper divisors (15494300587479).

102121120110121 is a wasteful number, since it uses less digits than its factorization.

102121120110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58866148.

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

Adding to 102121120110121 its reverse (121011021121201), we get a palindrome (223132141231322).

The spelling of 102121120110121 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-one".