1214211343021 has 8 divisors (see below), whose sum is σ = 1279662706080. Its totient is φ = 1148914530288.

The previous prime is 1214211343001. The next prime is 1214211343043. The reversal of 1214211343021 is 1203431124121.

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 1214211343021 - 2¹⁷ = 1214211211949 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 (1214211343001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38621446 + ... + 38652871.

It is an arithmetic number, because the mean of its divisors is an integer number (159957838260).

Almost surely, 2^{1214211343021} is an apocalyptic number.

It is an amenable number.

1214211343021 is a deficient number, since it is larger than the sum of its proper divisors (65451363059).

1214211343021 is an equidigital number, since it uses as much as digits as its factorization.

1214211343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77275163.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1214211343021 its reverse (1203431124121), we get a palindrome (2417642467142).

The spelling of 1214211343021 in words is "one trillion, two hundred fourteen billion, two hundred eleven million, three hundred forty-three thousand, twenty-one".