4032121111420 has 48 divisors (see below), whose sum is σ = 8836746166080. Its totient is φ = 1542525264896.

The previous prime is 4032121111409. The next prime is 4032121111453. The reversal of 4032121111420 is 241111212304.

It is a junction number, because it is equal to n+sod(n) for n = 4032121111391 and 4032121111400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3022386 + ... + 4147174.

It is an arithmetic number, because the mean of its divisors is an integer number (184098878460).

Almost surely, 2^{4032121111420} is an apocalyptic number.

It is an amenable number.

4032121111420 is an abundant number, since it is smaller than the sum of its proper divisors (4804625054660).

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

4032121111420 is a wasteful number, since it uses less digits than its factorization.

4032121111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132614 (or 1132612 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 4032121111420 its reverse (241111212304), we get a palindrome (4273232323724).

The spelling of 4032121111420 in words is "four trillion, thirty-two billion, one hundred twenty-one million, one hundred eleven thousand, four hundred twenty".