42403042222201 has 2 divisors, whose sum is σ = 42403042222202. Its totient is φ = 42403042222200.

The previous prime is 42403042222171. The next prime is 42403042222283. The reversal of 42403042222201 is 10222224030424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41160898536976 + 1242143685225 = 6415676^2 + 1114515^2 .

It is a cyclic number.

It is not a de Polignac number, because 42403042222201 - 2²⁵ = 42403008667769 is a prime.

It is a super-3 number, since 3×42403042222201³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42403042222201.

It is not a weakly prime, because it can be changed into another prime (42403042222501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21201521111100 + 21201521111101.

It is an arithmetic number, because the mean of its divisors is an integer number (21201521111101).

Almost surely, 2^{42403042222201} is an apocalyptic number.

It is an amenable number.

42403042222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

42403042222201 is an equidigital number, since it uses as much as digits as its factorization.

42403042222201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42403042222201 its reverse (10222224030424), we get a palindrome (52625266252625).

The spelling of 42403042222201 in words is "forty-two trillion, four hundred three billion, forty-two million, two hundred twenty-two thousand, two hundred one".