2021120011211 has 8 divisors (see below), whose sum is σ = 2319054038784. Its totient is φ = 1725486633000.

The previous prime is 2021120011177. The next prime is 2021120011249. The reversal of 2021120011211 is 1121100211202.

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 2021120011211 - 2¹⁰ = 2021120010187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021120011291) 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, 575160455 + ... + 575163968.

It is an arithmetic number, because the mean of its divisors is an integer number (289881754848).

Almost surely, 2^{2021120011211} is an apocalyptic number.

2021120011211 is a deficient number, since it is larger than the sum of its proper divisors (297934027573).

2021120011211 is a wasteful number, since it uses less digits than its factorization.

2021120011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150324681.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021120011211 its reverse (1121100211202), we get a palindrome (3142220222413).

The spelling of 2021120011211 in words is "two trillion, twenty-one billion, one hundred twenty million, eleven thousand, two hundred eleven".