20101211122112 has 14 divisors (see below), whose sum is σ = 39888340820568. Its totient is φ = 10050605561024.

The previous prime is 20101211122079. The next prime is 20101211122151. The reversal of 20101211122112 is 21122111210102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157040711828 + ... + 157040711955.

Almost surely, 2^{20101211122112} is an apocalyptic number.

It is an amenable number.

20101211122112 is a deficient number, since it is larger than the sum of its proper divisors (19787129698456).

20101211122112 is an equidigital number, since it uses as much as digits as its factorization.

20101211122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314081423795 (or 314081423785 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20101211122112 its reverse (21122111210102), we get a palindrome (41223322332214).

The spelling of 20101211122112 in words is "twenty trillion, one hundred one billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twelve".