20210212011011 has 8 divisors (see below), whose sum is σ = 22098658318848. Its totient is φ = 18330291421000.

The previous prime is 20210212010993. The next prime is 20210212011023. The reversal of 20210212011011 is 11011021201202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210212011011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210212011091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131424495 + ... + 2131433976.

It is an arithmetic number, because the mean of its divisors is an integer number (2762332289856).

Almost surely, 2^{20210212011011} is an apocalyptic number.

20210212011011 is a deficient number, since it is larger than the sum of its proper divisors (1888446307837).

20210212011011 is a wasteful number, since it uses less digits than its factorization.

20210212011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262858913.

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

Adding to 20210212011011 its reverse (11011021201202), we get a palindrome (31221233212213).

The spelling of 20210212011011 in words is "twenty trillion, two hundred ten billion, two hundred twelve million, eleven thousand, eleven".