20120132220111 has 24 divisors (see below), whose sum is σ = 36233658025344. Its totient is φ = 10452016737360.

The previous prime is 20120132220107. The next prime is 20120132220113. The reversal of 20120132220111 is 11102223102102.

20120132220111 is a `hidden beast` number, since 20 + 120 + 1 + 322 + 201 + 1 + 1 = 666.

It is not a de Polignac number, because 20120132220111 - 2² = 20120132220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120132220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14516689221 + ... + 14516690606.

It is an arithmetic number, because the mean of its divisors is an integer number (1509735751056).

Almost surely, 2^{20120132220111} is an apocalyptic number.

20120132220111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20120132220111 is a deficient number, since it is larger than the sum of its proper divisors (16113525805233).

20120132220111 is a wasteful number, since it uses less digits than its factorization.

20120132220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29033379851 (or 29033379848 counting only the distinct ones).

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

Adding to 20120132220111 its reverse (11102223102102), we get a palindrome (31222355322213).

The spelling of 20120132220111 in words is "twenty trillion, one hundred twenty billion, one hundred thirty-two million, two hundred twenty thousand, one hundred eleven".