20212021010011 has 8 divisors (see below), whose sum is σ = 20642154485760. Its totient is φ = 19781891304168.

The previous prime is 20212021009997. The next prime is 20212021010021. The reversal of 20212021010011 is 11001012021202.

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

It is not a de Polignac number, because 20212021010011 - 2³³ = 20203431075419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212021009973 and 20212021010000.

It is not an unprimeable number, because it can be changed into a prime (20212021010021) 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, 11671980 + ... + 13291318.

It is an arithmetic number, because the mean of its divisors is an integer number (2580269310720).

Almost surely, 2^{20212021010011} is an apocalyptic number.

20212021010011 is a deficient number, since it is larger than the sum of its proper divisors (430133475749).

20212021010011 is a wasteful number, since it uses less digits than its factorization.

20212021010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884953.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20212021010011 its reverse (11001012021202), we get a palindrome (31213033031213).

The spelling of 20212021010011 in words is "twenty trillion, two hundred twelve billion, twenty-one million, ten thousand, eleven".