2021210012011 has 8 divisors (see below), whose sum is σ = 2070894980448. Its totient is φ = 1971543480000.

The previous prime is 2021210011993. The next prime is 2021210012033. The reversal of 2021210012011 is 1102100121202.

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 2021210012011 - 2²⁵ = 2021176457579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021210011982 and 2021210012000.

It is not an unprimeable number, because it can be changed into a prime (2021210012111) 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, 4387020 + ... + 4825801.

It is an arithmetic number, because the mean of its divisors is an integer number (258861872556).

Almost surely, 2^{2021210012011} is an apocalyptic number.

2021210012011 is a deficient number, since it is larger than the sum of its proper divisors (49684968437).

2021210012011 is an equidigital number, since it uses as much as digits as its factorization.

2021210012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218213.

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

Adding to 2021210012011 its reverse (1102100121202), we get a palindrome (3123310133213).

The spelling of 2021210012011 in words is "two trillion, twenty-one billion, two hundred ten million, twelve thousand, eleven".