2012122111101 has 8 divisors (see below), whose sum is σ = 2707902654624. Its totient is φ = 1328878154160.

The previous prime is 2012122111067. The next prime is 2012122111141. The reversal of 2012122111101 is 1011112212102.

It is a happy number.

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

It is not a de Polignac number, because 2012122111101 - 2⁶ = 2012122111037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122111141) 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, 3134146270 + ... + 3134146911.

It is an arithmetic number, because the mean of its divisors is an integer number (338487831828).

Almost surely, 2^{2012122111101} is an apocalyptic number.

It is an amenable number.

2012122111101 is a deficient number, since it is larger than the sum of its proper divisors (695780543523).

2012122111101 is a wasteful number, since it uses less digits than its factorization.

2012122111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268293291.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2012122111101 its reverse (1011112212102), we get a palindrome (3023234323203).

The spelling of 2012122111101 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, one hundred one".