12102101021011 has 8 divisors (see below), whose sum is σ = 12193840318464. Its totient is φ = 12010411039680.

The previous prime is 12102101021009. The next prime is 12102101021033. The reversal of 12102101021011 is 11012010120121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12102101021011 - 2¹ = 12102101021009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102101020982 and 12102101021000.

It is not an unprimeable number, because it can be changed into a prime (12102101021081) 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, 11836300 + ... + 12818041.

It is an arithmetic number, because the mean of its divisors is an integer number (1524230039808).

Almost surely, 2^{12102101021011} is an apocalyptic number.

12102101021011 is a deficient number, since it is larger than the sum of its proper divisors (91739297453).

12102101021011 is a wasteful number, since it uses less digits than its factorization.

12102101021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24658061.

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

Adding to 12102101021011 its reverse (11012010120121), we get a palindrome (23114111141132).

The spelling of 12102101021011 in words is "twelve trillion, one hundred two billion, one hundred one million, twenty-one thousand, eleven".