12110100001021 has 8 divisors (see below), whose sum is σ = 13211057397888. Its totient is φ = 11009149140000.

The previous prime is 12110100001019. The next prime is 12110100001031. The reversal of 12110100001021 is 12010000101121.

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

It is not a de Polignac number, because 12110100001021 - 2¹ = 12110100001019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110100000989 and 12110100001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110100001001) 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 7 ways as a sum of consecutive naturals, for example, 2752156 + ... + 5638666.

It is an arithmetic number, because the mean of its divisors is an integer number (1651382174736).

Almost surely, 2^{12110100001021} is an apocalyptic number.

12110100001021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110100001021 is a deficient number, since it is larger than the sum of its proper divisors (1100957396867).

12110100001021 is a wasteful number, since it uses less digits than its factorization.

12110100001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267923.

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

Adding to 12110100001021 its reverse (12010000101121), we get a palindrome (24120100102142).

The spelling of 12110100001021 in words is "twelve trillion, one hundred ten billion, one hundred million, one thousand, twenty-one".