21213000030201 has 8 divisors (see below), whose sum is σ = 32324571474624. Its totient is φ = 12121714302960.

The previous prime is 21213000030149. The next prime is 21213000030221. The reversal of 21213000030201 is 10203000031212.

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

It is not a de Polignac number, because 21213000030201 - 2⁷ = 21213000030073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21213000030221) 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, 505071429270 + ... + 505071429311.

It is an arithmetic number, because the mean of its divisors is an integer number (4040571434328).

Almost surely, 2^{21213000030201} is an apocalyptic number.

21213000030201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21213000030201 is a deficient number, since it is larger than the sum of its proper divisors (11111571444423).

21213000030201 is a wasteful number, since it uses less digits than its factorization.

21213000030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010142858591.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21213000030201 its reverse (10203000031212), we get a palindrome (31416000061413).

The spelling of 21213000030201 in words is "twenty-one trillion, two hundred thirteen billion, thirty thousand, two hundred one".