20303311001211 has 18 divisors (see below), whose sum is σ = 34115087193252. Its totient is φ = 11601892000440.

The previous prime is 20303311001173. The next prime is 20303311001219. The reversal of 20303311001211 is 11210011330302.

20303311001211 is a `hidden beast` number, since 20 + 3 + 0 + 331 + 100 + 1 + 211 = 666.

It is not a de Polignac number, because 20303311001211 - 2⁶ = 20303311001147 is a prime.

It is a super-2 number, since 2×20303311001211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20303311001219) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23019626545 + ... + 23019627426.

Almost surely, 2^{20303311001211} is an apocalyptic number.

20303311001211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20303311001211 is a deficient number, since it is larger than the sum of its proper divisors (13811776192041).

20303311001211 is a wasteful number, since it uses less digits than its factorization.

20303311001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46039253991 (or 46039253981 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20303311001211 its reverse (11210011330302), we get a palindrome (31513322331513).

The spelling of 20303311001211 in words is "twenty trillion, three hundred three billion, three hundred eleven million, one thousand, two hundred eleven".