20001210020211 has 32 divisors (see below), whose sum is σ = 30673698762240. Its totient is φ = 11356112756736.

The previous prime is 20001210020201. The next prime is 20001210020227. The reversal of 20001210020211 is 11202001210002.

It is not a de Polignac number, because 20001210020211 - 2¹³ = 20001210012019 is a prime.

It is a super-2 number, since 2×20001210020211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20001210020201) 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 31 ways as a sum of consecutive naturals, for example, 2524881 + ... + 6810098.

It is an arithmetic number, because the mean of its divisors is an integer number (958553086320).

Almost surely, 2^{20001210020211} is an apocalyptic number.

20001210020211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20001210020211 is a deficient number, since it is larger than the sum of its proper divisors (10672488742029).

20001210020211 is a wasteful number, since it uses less digits than its factorization.

20001210020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335643.

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

Adding to 20001210020211 its reverse (11202001210002), we get a palindrome (31203211230213).

The spelling of 20001210020211 in words is "twenty trillion, one billion, two hundred ten million, twenty thousand, two hundred eleven".