213314102121021 has 8 divisors (see below), whose sum is σ = 310275057630624. Its totient is φ = 129281274012720.

The previous prime is 213314102120981. The next prime is 213314102121059. The reversal of 213314102121021 is 120121201413312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213314102121021 - 2⁷ = 213314102120893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213314102120982 and 213314102121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213314102121221) 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, 3232031850286 + ... + 3232031850351.

It is an arithmetic number, because the mean of its divisors is an integer number (38784382203828).

Almost surely, 2^{213314102121021} is an apocalyptic number.

It is an amenable number.

213314102121021 is a deficient number, since it is larger than the sum of its proper divisors (96960955509603).

213314102121021 is a wasteful number, since it uses less digits than its factorization.

213314102121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464063700651.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 213314102121021 its reverse (120121201413312), we get a palindrome (333435303534333).

The spelling of 213314102121021 in words is "two hundred thirteen trillion, three hundred fourteen billion, one hundred two million, one hundred twenty-one thousand, twenty-one".