20013211303011 has 12 divisors (see below), whose sum is σ = 28908014903040. Its totient is φ = 13342121012880.

The previous prime is 20013211302967. The next prime is 20013211303021. The reversal of 20013211303011 is 11030311231002.

20013211303011 is a `hidden beast` number, since 200 + 1 + 32 + 1 + 130 + 301 + 1 = 666.

It is not a de Polignac number, because 20013211303011 - 2¹⁰ = 20013211301987 is a prime.

It is a super-2 number, since 2×20013211303011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013211303021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7252446 + ... + 9624156.

It is an arithmetic number, because the mean of its divisors is an integer number (2409001241920).

Almost surely, 2^{20013211303011} is an apocalyptic number.

20013211303011 is a deficient number, since it is larger than the sum of its proper divisors (8894803600029).

20013211303011 is a wasteful number, since it uses less digits than its factorization.

20013211303011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309306 (or 3309303 counting only the distinct ones).

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

Adding to 20013211303011 its reverse (11030311231002), we get a palindrome (31043522534013).

The spelling of 20013211303011 in words is "twenty trillion, thirteen billion, two hundred eleven million, three hundred three thousand, eleven".