20121130220211 has 64 divisors (see below), whose sum is σ = 32140772352000. Its totient is φ = 12412052392320.

The previous prime is 20121130220209. The next prime is 20121130220227. The reversal of 20121130220211 is 11202203112102.

20121130220211 is a `hidden beast` number, since 20 + 1 + 211 + 3 + 0 + 220 + 211 = 666.

It is not a de Polignac number, because 20121130220211 - 2¹ = 20121130220209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20121130220251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1523916 + ... + 6524153.

It is an arithmetic number, because the mean of its divisors is an integer number (502199568000).

Almost surely, 2^{20121130220211} is an apocalyptic number.

20121130220211 is a deficient number, since it is larger than the sum of its proper divisors (12019642131789).

20121130220211 is a wasteful number, since it uses less digits than its factorization.

20121130220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048241 (or 8048235 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20121130220211 its reverse (11202203112102), we get a palindrome (31323333332313).

The spelling of 20121130220211 in words is "twenty trillion, one hundred twenty-one billion, one hundred thirty million, two hundred twenty thousand, two hundred eleven".