42142100122 has 16 divisors (see below), whose sum is σ = 66982386240. Its totient is φ = 19816520128.

The previous prime is 42142100101. The next prime is 42142100137. The reversal of 42142100122 is 22100124124.

It is a self number, because there is not a number n which added to its sum of digits gives 42142100122.

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, 425008 + ... + 514699.

It is an arithmetic number, because the mean of its divisors is an integer number (4186399140).

Almost surely, 2^42142100122 is an apocalyptic number.

42142100122 is a deficient number, since it is larger than the sum of its proper divisors (24840286118).

42142100122 is a wasteful number, since it uses less digits than its factorization.

42142100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941045.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 42142100122 its reverse (22100124124), we get a palindrome (64242224246).

The spelling of 42142100122 in words is "forty-two billion, one hundred forty-two million, one hundred thousand, one hundred twenty-two".