20120013201111 has 32 divisors (see below), whose sum is σ = 29504723765760. Its totient is φ = 12154003365504.

The previous prime is 20120013201037. The next prime is 20120013201131. The reversal of 20120013201111 is 11110231002102.

It is not a de Polignac number, because 20120013201111 - 2⁷ = 20120013200983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120013201131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94752241 + ... + 94964346.

It is an arithmetic number, because the mean of its divisors is an integer number (922022617680).

Almost surely, 2^{20120013201111} is an apocalyptic number.

20120013201111 is a deficient number, since it is larger than the sum of its proper divisors (9384710564649).

20120013201111 is a wasteful number, since it uses less digits than its factorization.

20120013201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189716695.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20120013201111 its reverse (11110231002102), we get a palindrome (31230244203213).

The spelling of 20120013201111 in words is "twenty trillion, one hundred twenty billion, thirteen million, two hundred one thousand, one hundred eleven".