10002100120111 has 8 divisors (see below), whose sum is σ = 10911405484800. Its totient is φ = 9092798678040.

The previous prime is 10002100120097. The next prime is 10002100120139. The reversal of 10002100120111 is 11102100120001.

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

It is not a de Polignac number, because 10002100120111 - 2²⁵ = 10002066565679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002100150111) 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, 7664580 + ... + 8874118.

It is an arithmetic number, because the mean of its divisors is an integer number (1363925685600).

Almost surely, 2^{10002100120111} is an apocalyptic number.

10002100120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10002100120111 is a deficient number, since it is larger than the sum of its proper divisors (909305364689).

10002100120111 is a wasteful number, since it uses less digits than its factorization.

10002100120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961309.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10002100120111 its reverse (11102100120001), we get a palindrome (21104200240112).

The spelling of 10002100120111 in words is "ten trillion, two billion, one hundred million, one hundred twenty thousand, one hundred eleven".