2012122100111 has 8 divisors (see below), whose sum is σ = 2055165384960. Its totient is φ = 1969088489368.

The previous prime is 2012122100029. The next prime is 2012122100141. The reversal of 2012122100111 is 1110012212102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012122100111 - 2³⁰ = 2011048358287 is a prime.

It is a super-2 number, since 2×2012122100111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122100141) 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, 1997321 + ... + 2830818.

It is an arithmetic number, because the mean of its divisors is an integer number (256895673120).

Almost surely, 2^{2012122100111} is an apocalyptic number.

2012122100111 is a deficient number, since it is larger than the sum of its proper divisors (43043284849).

2012122100111 is an equidigital number, since it uses as much as digits as its factorization.

2012122100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837053.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012122100111 its reverse (1110012212102), we get a palindrome (3122134312213).

The spelling of 2012122100111 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred thousand, one hundred eleven".