21014333220201 has 8 divisors (see below), whose sum is σ = 28019133690240. Its totient is φ = 14009544115152.

The previous prime is 21014333220197. The next prime is 21014333220229. The reversal of 21014333220201 is 10202233341012.

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

It is not a de Polignac number, because 21014333220201 - 2² = 21014333220197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21014333220901) 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, 3486240 + ... + 7360878.

It is an arithmetic number, because the mean of its divisors is an integer number (3502391711280).

Almost surely, 2^{21014333220201} is an apocalyptic number.

It is an amenable number.

21014333220201 is a deficient number, since it is larger than the sum of its proper divisors (7004800470039).

21014333220201 is a wasteful number, since it uses less digits than its factorization.

21014333220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682495.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21014333220201 its reverse (10202233341012), we get a palindrome (31216566561213).

The spelling of 21014333220201 in words is "twenty-one trillion, fourteen billion, three hundred thirty-three million, two hundred twenty thousand, two hundred one".