213332021121 has 8 divisors (see below), whose sum is σ = 285575933664. Its totient is φ = 141654728000.

The previous prime is 213332021101. The next prime is 213332021213. The reversal of 213332021121 is 121120233312.

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 213332021121 - 2⁶ = 213332021057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213332021101) 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, 141653976 + ... + 141655481.

It is an arithmetic number, because the mean of its divisors is an integer number (35696991708).

Almost surely, 2^213332021121 is an apocalyptic number.

It is an amenable number.

213332021121 is a deficient number, since it is larger than the sum of its proper divisors (72243912543).

213332021121 is a wasteful number, since it uses less digits than its factorization.

213332021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283309711.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213332021121 its reverse (121120233312), we get a palindrome (334452254433).

The spelling of 213332021121 in words is "two hundred thirteen billion, three hundred thirty-two million, twenty-one thousand, one hundred twenty-one".