2201321042 has 4 divisors (see below), whose sum is σ = 3301981566. Its totient is φ = 1100660520.

The previous prime is 2201321039. The next prime is 2201321051. The reversal of 2201321042 is 2401231022.

2201321042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401231022 = 2 ⋅1200615511.

It can be written as a sum of positive squares in only one way, i.e., 2200454281 + 866761 = 46909^2 + 931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2201321042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550330259 + ... + 550330262.

Almost surely, 2^2201321042 is an apocalyptic number.

2201321042 is a deficient number, since it is larger than the sum of its proper divisors (1100660524).

2201321042 is a wasteful number, since it uses less digits than its factorization.

2201321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100660523.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2201321042 is about 46918.2378398848. The cubic root of 2201321042 is about 1300.8517183881.

Adding to 2201321042 its reverse (2401231022), we get a palindrome (4602552064).

The spelling of 2201321042 in words is "two billion, two hundred one million, three hundred twenty-one thousand, forty-two".