1422111021 has 8 divisors (see below), whose sum is σ = 1947395424. Its totient is φ = 922450320.

The previous prime is 1422111017. The next prime is 1422111049. The reversal of 1422111021 is 1201112241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1422111021 - 2² = 1422111017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422111001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6405795 + ... + 6406016.

It is an arithmetic number, because the mean of its divisors is an integer number (243424428).

Almost surely, 2^1422111021 is an apocalyptic number.

It is an amenable number.

1422111021 is a deficient number, since it is larger than the sum of its proper divisors (525284403).

1422111021 is a wasteful number, since it uses less digits than its factorization.

1422111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811851.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1422111021 is about 37710.8873006192. The cubic root of 1422111021 is about 1124.5475766978.

Adding to 1422111021 its reverse (1201112241), we get a palindrome (2623223262).

The spelling of 1422111021 in words is "one billion, four hundred twenty-two million, one hundred eleven thousand, twenty-one".