1421421221033 has 8 divisors (see below), whose sum is σ = 1562851107840. Its totient is φ = 1282026296880.

The previous prime is 1421421221021. The next prime is 1421421221057. The reversal of 1421421221033 is 3301221241241.

It is a happy number.

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 1421421221033 - 2⁸ = 1421421220777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421421220993 and 1421421221011.

It is not an unprimeable number, because it can be changed into a prime (1421421221533) 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, 508739198 + ... + 508741991.

It is an arithmetic number, because the mean of its divisors is an integer number (195356388480).

Almost surely, 2^{1421421221033} is an apocalyptic number.

It is an amenable number.

1421421221033 is a deficient number, since it is larger than the sum of its proper divisors (141429886807).

1421421221033 is a wasteful number, since it uses less digits than its factorization.

1421421221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017481327.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1421421221033 its reverse (3301221241241), we get a palindrome (4722642462274).

The spelling of 1421421221033 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-one million, two hundred twenty-one thousand, thirty-three".