2021020210011 has 32 divisors (see below), whose sum is σ = 2968741900800. Its totient is φ = 1212749971200.

The previous prime is 2021020209979. The next prime is 2021020210019. The reversal of 2021020210011 is 1100120201202.

It is not a de Polignac number, because 2021020210011 - 2⁵ = 2021020209979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021020210019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19870815 + ... + 19972263.

It is an arithmetic number, because the mean of its divisors is an integer number (92773184400).

Almost surely, 2^{2021020210011} is an apocalyptic number.

2021020210011 is a deficient number, since it is larger than the sum of its proper divisors (947721690789).

2021020210011 is a wasteful number, since it uses less digits than its factorization.

2021020210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107427.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021020210011 its reverse (1100120201202), we get a palindrome (3121140411213).

The spelling of 2021020210011 in words is "two trillion, twenty-one billion, twenty million, two hundred ten thousand, eleven".