2121110010211 has 8 divisors (see below), whose sum is σ = 2214308565504. Its totient is φ = 2027992820040.

The previous prime is 2121110010191. The next prime is 2121110010233. The reversal of 2121110010211 is 1120100111212.

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 2121110010211 - 2¹⁹ = 2121109485923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121110010191 and 2121110010200.

It is not an unprimeable number, because it can be changed into a prime (2121110010281) 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, 20287995 + ... + 20392276.

It is an arithmetic number, because the mean of its divisors is an integer number (276788570688).

Almost surely, 2^{2121110010211} is an apocalyptic number.

2121110010211 is a deficient number, since it is larger than the sum of its proper divisors (93198555293).

2121110010211 is a wasteful number, since it uses less digits than its factorization.

2121110010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40682561.

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

Adding to 2121110010211 its reverse (1120100111212), we get a palindrome (3241210121423).

The spelling of 2121110010211 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, ten thousand, two hundred eleven".