214023421121 has 4 divisors (see below), whose sum is σ = 218061598932. Its totient is φ = 209985243312.

The previous prime is 214023421097. The next prime is 214023421219. The reversal of 214023421121 is 121124320412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109189932721 + 104833488400 = 330439^2 + 323780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214023421121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214023421421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019088826 + ... + 2019088931.

It is an arithmetic number, because the mean of its divisors is an integer number (54515399733).

Almost surely, 2^214023421121 is an apocalyptic number.

It is an amenable number.

214023421121 is a deficient number, since it is larger than the sum of its proper divisors (4038177811).

214023421121 is an equidigital number, since it uses as much as digits as its factorization.

214023421121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038177810.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 214023421121 its reverse (121124320412), we get a palindrome (335147741533).

The spelling of 214023421121 in words is "two hundred fourteen billion, twenty-three million, four hundred twenty-one thousand, one hundred twenty-one".