1421421030042 has 16 divisors (see below), whose sum is σ = 3061522218720. Its totient is φ = 437360316912.

The previous prime is 1421421030041. The next prime is 1421421030047. The reversal of 1421421030042 is 2400301241241.

It is a junction number, because it is equal to n+sod(n) for n = 1421421029994 and 1421421030021.

It is not an unprimeable number, because it can be changed into a prime (1421421030041) 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, 9111673192 + ... + 9111673347.

It is an arithmetic number, because the mean of its divisors is an integer number (191345138670).

Almost surely, 2^{1421421030042} is an apocalyptic number.

1421421030042 is an abundant number, since it is smaller than the sum of its proper divisors (1640101188678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421421030042 is a wasteful number, since it uses less digits than its factorization.

1421421030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18223346557.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1421421030042 its reverse (2400301241241), we get a palindrome (3821722271283).

The spelling of 1421421030042 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-one million, thirty thousand, forty-two".