1422021123421 has 8 divisors (see below), whose sum is σ = 1432787580000. Its totient is φ = 1411270969680.

The previous prime is 1422021123407. The next prime is 1422021123427. The reversal of 1422021123421 is 1243211202241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422021123421 - 2⁹ = 1422021122909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422021123427) 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, 3900571 + ... + 4249528.

It is an arithmetic number, because the mean of its divisors is an integer number (179098447500).

Almost surely, 2^{1422021123421} is an apocalyptic number.

It is an amenable number.

1422021123421 is a deficient number, since it is larger than the sum of its proper divisors (10766456579).

1422021123421 is a wasteful number, since it uses less digits than its factorization.

1422021123421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151419.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1422021123421 its reverse (1243211202241), we get a palindrome (2665232325662).

The spelling of 1422021123421 in words is "one trillion, four hundred twenty-two billion, twenty-one million, one hundred twenty-three thousand, four hundred twenty-one".