4021112421112 has 32 divisors (see below), whose sum is σ = 7977527427600. Its totient is φ = 1894868342784.

The previous prime is 4021112421097. The next prime is 4021112421143. The reversal of 4021112421112 is 2111242111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68506123 + ... + 68564794.

Almost surely, 2^{4021112421112} is an apocalyptic number.

It is an amenable number.

4021112421112 is a deficient number, since it is larger than the sum of its proper divisors (3956415006488).

4021112421112 is a wasteful number, since it uses less digits than its factorization.

4021112421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137071135 (or 137071131 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 4021112421112 its reverse (2111242111204), we get a palindrome (6132354532316).

The spelling of 4021112421112 in words is "four trillion, twenty-one billion, one hundred twelve million, four hundred twenty-one thousand, one hundred twelve".