102110121002121 has 8 divisors (see below), whose sum is σ = 136156353480000. Its totient is φ = 68068651262832.

The previous prime is 102110121002117. The next prime is 102110121002167. The reversal of 102110121002121 is 121200121011201.

It is a happy number.

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

It is not a de Polignac number, because 102110121002121 - 2² = 102110121002117 is a prime.

It is a super-2 number, since 2×102110121002121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102110121002121.

It is not an unprimeable number, because it can be changed into a prime (102110121002101) 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, 1190634621 + ... + 1190720378.

It is an arithmetic number, because the mean of its divisors is an integer number (17019544185000).

Almost surely, 2^{102110121002121} is an apocalyptic number.

It is an amenable number.

102110121002121 is a deficient number, since it is larger than the sum of its proper divisors (34046232477879).

102110121002121 is a wasteful number, since it uses less digits than its factorization.

102110121002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381369295.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102110121002121 its reverse (121200121011201), we get a palindrome (223310242013322).

The spelling of 102110121002121 in words is "one hundred two trillion, one hundred ten billion, one hundred twenty-one million, two thousand, one hundred twenty-one".