42120122241100 has 36 divisors (see below), whose sum is σ = 91803311415144. Its totient is φ = 16773828407680.

The previous prime is 42120122241097. The next prime is 42120122241107. The reversal of 42120122241100 is 114222102124.

It is not an unprimeable number, because it can be changed into a prime (42120122241107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927733297 + ... + 927778696.

It is an arithmetic number, because the mean of its divisors is an integer number (2550091983754).

Almost surely, 2^{42120122241100} is an apocalyptic number.

It is an amenable number.

42120122241100 is an abundant number, since it is smaller than the sum of its proper divisors (49683189174044).

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

42120122241100 is a wasteful number, since it uses less digits than its factorization.

42120122241100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855512234 (or 1855512227 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 42120122241100 its reverse (114222102124), we get a palindrome (42234344343224).

The spelling of 42120122241100 in words is "forty-two trillion, one hundred twenty billion, one hundred twenty-two million, two hundred forty-one thousand, one hundred".