20120010210111 has 8 divisors (see below), whose sum is σ = 30659063177344. Its totient is φ = 11497148691480.

The previous prime is 20120010210077. The next prime is 20120010210229. The reversal of 20120010210111 is 11101201002102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120010210111 - 2⁹ = 20120010209599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120010212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479047862125 + ... + 479047862166.

It is an arithmetic number, because the mean of its divisors is an integer number (3832382897168).

Almost surely, 2^{20120010210111} is an apocalyptic number.

20120010210111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20120010210111 is a deficient number, since it is larger than the sum of its proper divisors (10539052967233).

20120010210111 is an equidigital number, since it uses as much as digits as its factorization.

20120010210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958095724301.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20120010210111 its reverse (11101201002102), we get a palindrome (31221211212213).

The spelling of 20120010210111 in words is "twenty trillion, one hundred twenty billion, ten million, two hundred ten thousand, one hundred eleven".