1421421321113 has 16 divisors (see below), whose sum is σ = 1508482647360. Its totient is φ = 1334744011776.

The previous prime is 1421421321107. The next prime is 1421421321119. The reversal of 1421421321113 is 3111231241241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1421421321107) and next prime (1421421321119).

It is a cyclic number.

It is not a de Polignac number, because 1421421321113 - 2¹⁸ = 1421421058969 is a prime.

It is a super-2 number, since 2×1421421321113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421421321119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103271570 + ... + 103285332.

It is an arithmetic number, because the mean of its divisors is an integer number (94280165460).

Almost surely, 2^{1421421321113} is an apocalyptic number.

It is an amenable number.

1421421321113 is a deficient number, since it is larger than the sum of its proper divisors (87061326247).

1421421321113 is a wasteful number, since it uses less digits than its factorization.

1421421321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27256.

The product of its digits is 1152, while the sum is 26.

Adding to 1421421321113 its reverse (3111231241241), we get a palindrome (4532652562354).

The spelling of 1421421321113 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred thirteen".