2111242342412 has 24 divisors (see below), whose sum is σ = 4222552889856. Its totient is φ = 904803531408.

The previous prime is 2111242342411. The next prime is 2111242342549. The reversal of 2111242342412 is 2142432421112.

It is not an unprimeable number, because it can be changed into a prime (2111242342411) 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, 1255583 + ... + 2408105.

It is an arithmetic number, because the mean of its divisors is an integer number (175939703744).

Almost surely, 2^{2111242342412} is an apocalyptic number.

It is an amenable number.

2111242342412 is an abundant number, since it is smaller than the sum of its proper divisors (2111310547444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111242342412 is a wasteful number, since it uses less digits than its factorization.

2111242342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217957 (or 1217955 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 2111242342412 its reverse (2142432421112), we get a palindrome (4253674763524).

The spelling of 2111242342412 in words is "two trillion, one hundred eleven billion, two hundred forty-two million, three hundred forty-two thousand, four hundred twelve".