42210023100 has 144 divisors (see below), whose sum is σ = 139678560000. Its totient is φ = 9640811520.

The previous prime is 42210023081. The next prime is 42210023123. The reversal of 42210023100 is 132001224.

It is a super-2 number, since 2×42210023100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42210023100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3120151 + ... + 3133649.

It is an arithmetic number, because the mean of its divisors is an integer number (969990000).

Almost surely, 2^42210023100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42210023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69839280000).

42210023100 is an abundant number, since it is smaller than the sum of its proper divisors (97468536900).

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

42210023100 is a wasteful number, since it uses less digits than its factorization.

42210023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012 (or 15005 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 42210023100 its reverse (132001224), we get a palindrome (42342024324).

The spelling of 42210023100 in words is "forty-two billion, two hundred ten million, twenty-three thousand, one hundred".