110002021012121 has 24 divisors (see below), whose sum is σ = 132374972862720. Its totient is φ = 91035487200672.

The previous prime is 110002021012049. The next prime is 110002021012133. The reversal of 110002021012121 is 121210120200011.

It is a de Polignac number, because none of the positive numbers 2^k-110002021012121 is a prime.

It is a super-2 number, since 2×110002021012121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110002021012096 and 110002021012105.

It is not an unprimeable number, because it can be changed into a prime (110002021015121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322087970 + ... + 322429316.

It is an arithmetic number, because the mean of its divisors is an integer number (5515623869280).

Almost surely, 2^{110002021012121} is an apocalyptic number.

It is an amenable number.

110002021012121 is a deficient number, since it is larger than the sum of its proper divisors (22372951850599).

110002021012121 is a wasteful number, since it uses less digits than its factorization.

110002021012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568173 (or 568166 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110002021012121 its reverse (121210120200011), we get a palindrome (231212141212132).

The spelling of 110002021012121 in words is "one hundred ten trillion, two billion, twenty-one million, twelve thousand, one hundred twenty-one".