21221214042301 has 8 divisors (see below), whose sum is σ = 26118417282944. Its totient is φ = 16790411110320.

The previous prime is 21221214042271. The next prime is 21221214042331. The reversal of 21221214042301 is 10324041212212.

It is an interprime number because it is at equal distance from previous prime (21221214042271) and next prime (21221214042331).

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 21221214042301 - 2⁵ = 21221214042269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21221214042331) 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, 116600077065 + ... + 116600077246.

It is an arithmetic number, because the mean of its divisors is an integer number (3264802160368).

Almost surely, 2^{21221214042301} is an apocalyptic number.

It is an amenable number.

21221214042301 is a deficient number, since it is larger than the sum of its proper divisors (4897203240643).

21221214042301 is a wasteful number, since it uses less digits than its factorization.

21221214042301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233200154331.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21221214042301 its reverse (10324041212212), we get a palindrome (31545255254513).

The spelling of 21221214042301 in words is "twenty-one trillion, two hundred twenty-one billion, two hundred fourteen million, forty-two thousand, three hundred one".