10002110112121 has 4 divisors (see below), whose sum is σ = 10003861494144. Its totient is φ = 10000358730100.

The previous prime is 10002110112101. The next prime is 10002110112191. The reversal of 10002110112121 is 12121101120001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10002110112121 - 2¹¹ = 10002110110073 is a prime.

It is a super-2 number, since 2×10002110112121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002110112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875682445 + ... + 875693866.

It is an arithmetic number, because the mean of its divisors is an integer number (2500965373536).

Almost surely, 2^{10002110112121} is an apocalyptic number.

It is an amenable number.

10002110112121 is a deficient number, since it is larger than the sum of its proper divisors (1751382023).

10002110112121 is an equidigital number, since it uses as much as digits as its factorization.

10002110112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751382022.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10002110112121 its reverse (12121101120001), we get a palindrome (22123211232122).

The spelling of 10002110112121 in words is "ten trillion, two billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-one".