213002211121 has 8 divisors (see below), whose sum is σ = 249368442624. Its totient is φ = 178120315680.

The previous prime is 213002211113. The next prime is 213002211131. The reversal of 213002211121 is 121112200312.

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 213002211121 - 2³ = 213002211113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213002211095 and 213002211104.

It is not an unprimeable number, because it can be changed into a prime (213002211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371083705 + ... + 371084278.

It is an arithmetic number, because the mean of its divisors is an integer number (31171055328).

Almost surely, 2^213002211121 is an apocalyptic number.

It is an amenable number.

213002211121 is a deficient number, since it is larger than the sum of its proper divisors (36366231503).

213002211121 is an equidigital number, since it uses as much as digits as its factorization.

213002211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742168031.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213002211121 its reverse (121112200312), we get a palindrome (334114411433).

The spelling of 213002211121 in words is "two hundred thirteen billion, two million, two hundred eleven thousand, one hundred twenty-one".