42101011420 has 24 divisors (see below), whose sum is σ = 95213057184. Its totient is φ = 15544988736.

The previous prime is 42101011409. The next prime is 42101011439. The reversal of 42101011420 is 2411010124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42101011394 and 42101011403.

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, 80963224 + ... + 80963743.

It is an arithmetic number, because the mean of its divisors is an integer number (3967210716).

Almost surely, 2^42101011420 is an apocalyptic number.

It is an amenable number.

42101011420 is an abundant number, since it is smaller than the sum of its proper divisors (53112045764).

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

42101011420 is a wasteful number, since it uses less digits than its factorization.

42101011420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161926989 (or 161926987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 42101011420 its reverse (2411010124), we get a palindrome (44512021544).

The spelling of 42101011420 in words is "forty-two billion, one hundred one million, eleven thousand, four hundred twenty".