42031122201 has 36 divisors (see below), whose sum is σ = 64632935952. Its totient is φ = 26315236224.

The previous prime is 42031122193. The next prime is 42031122209. The reversal of 42031122201 is 10222113024.

It is a happy number.

42031122201 is a `hidden beast` number, since 420 + 31 + 12 + 2 + 201 = 666.

It is an interprime number because it is at equal distance from previous prime (42031122193) and next prime (42031122209).

It is not a de Polignac number, because 42031122201 - 2³ = 42031122193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42031122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1197366 + ... + 1231968.

It is an arithmetic number, because the mean of its divisors is an integer number (1795359332).

Almost surely, 2^42031122201 is an apocalyptic number.

It is an amenable number.

42031122201 is a deficient number, since it is larger than the sum of its proper divisors (22601813751).

42031122201 is a wasteful number, since it uses less digits than its factorization.

42031122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35110 (or 35090 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42031122201 its reverse (10222113024), we get a palindrome (52253235225).

The spelling of 42031122201 in words is "forty-two billion, thirty-one million, one hundred twenty-two thousand, two hundred one".