211102010212121 has 8 divisors (see below), whose sum is σ = 241260129699840. Its totient is φ = 180944063088768.

The previous prime is 211102010212109. The next prime is 211102010212153. The reversal of 211102010212121 is 121212010201112.

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

It is not a de Polignac number, because 211102010212121 - 2¹⁴ = 211102010195737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211102010212121.

It is not an unprimeable number, because it can be changed into a prime (211102010242121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40455896 + ... + 45374921.

It is an arithmetic number, because the mean of its divisors is an integer number (30157516212480).

Almost surely, 2^{211102010212121} is an apocalyptic number.

It is an amenable number.

211102010212121 is a deficient number, since it is larger than the sum of its proper divisors (30158119487719).

211102010212121 is an equidigital number, since it uses as much as digits as its factorization.

211102010212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86182183.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102010212121 its reverse (121212010201112), we get a palindrome (332314020413233).

The spelling of 211102010212121 in words is "two hundred eleven trillion, one hundred two billion, ten million, two hundred twelve thousand, one hundred twenty-one".