20211002020011 has 16 divisors (see below), whose sum is σ = 29397929885568. Its totient is φ = 12249046814400.

The previous prime is 20211002019997. The next prime is 20211002020057. The reversal of 20211002020011 is 11002020011202.

It is not a de Polignac number, because 20211002020011 - 2⁶ = 20211002019947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211002020061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9376680 + ... + 11328906.

It is an arithmetic number, because the mean of its divisors is an integer number (1837370617848).

Almost surely, 2^{20211002020011} is an apocalyptic number.

20211002020011 is a deficient number, since it is larger than the sum of its proper divisors (9186927865557).

20211002020011 is a wasteful number, since it uses less digits than its factorization.

20211002020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265962.

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

Adding to 20211002020011 its reverse (11002020011202), we get a palindrome (31213022031213).

It can be divided in two parts, 202 and 11002020011, that multiplied together give a palindrome (2222408042222).

The spelling of 20211002020011 in words is "twenty trillion, two hundred eleven billion, two million, twenty thousand, eleven".