42121771030 has 8 divisors (see below), whose sum is σ = 75819187872. Its totient is φ = 16848708408.

The previous prime is 42121770979. The next prime is 42121771033. The reversal of 42121771030 is 3017712124.

42121771030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42121771030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121771033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106088542 + ... + 2106088561.

It is an arithmetic number, because the mean of its divisors is an integer number (9477398484).

Almost surely, 2^42121771030 is an apocalyptic number.

42121771030 is a deficient number, since it is larger than the sum of its proper divisors (33697416842).

42121771030 is a wasteful number, since it uses less digits than its factorization.

42121771030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212177110.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 42121771030 in words is "forty-two billion, one hundred twenty-one million, seven hundred seventy-one thousand, thirty".