1421004022243 has 8 divisors (see below), whose sum is σ = 1533109677008. Its totient is φ = 1309298032224.

The previous prime is 1421004022187. The next prime is 1421004022259. The reversal of 1421004022243 is 3422204001241.

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

It is not a de Polignac number, because 1421004022243 - 2²⁵ = 1420970467811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421004022043) 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, 99908796 + ... + 99923017.

It is an arithmetic number, because the mean of its divisors is an integer number (191638709626).

Almost surely, 2^{1421004022243} is an apocalyptic number.

1421004022243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1421004022243 is a deficient number, since it is larger than the sum of its proper divisors (112105654765).

1421004022243 is a wasteful number, since it uses less digits than its factorization.

1421004022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199832373.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1421004022243 its reverse (3422204001241), we get a palindrome (4843208023484).

The spelling of 1421004022243 in words is "one trillion, four hundred twenty-one billion, four million, twenty-two thousand, two hundred forty-three".