1422201121 has 4 divisors (see below), whose sum is σ = 1551492144. Its totient is φ = 1292910100.

The previous prime is 1422201119. The next prime is 1422201133. The reversal of 1422201121 is 1211022241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1422201121 - 2¹ = 1422201119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422201095 and 1422201104.

It is not an unprimeable number, because it can be changed into a prime (1422201101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64645495 + ... + 64645516.

It is an arithmetic number, because the mean of its divisors is an integer number (387873036).

Almost surely, 2^1422201121 is an apocalyptic number.

1422201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1422201121 is a deficient number, since it is larger than the sum of its proper divisors (129291023).

1422201121 is a wasteful number, since it uses less digits than its factorization.

1422201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129291022.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1422201121 is about 37712.0818969200. The cubic root of 1422201121 is about 1124.5713253352.

Adding to 1422201121 its reverse (1211022241), we get a palindrome (2633223362).

It can be divided in two parts, 142220 and 1121, that added together give a palindrome (143341).

The spelling of 1422201121 in words is "one billion, four hundred twenty-two million, two hundred one thousand, one hundred twenty-one".