201210313224421 has 16 divisors (see below), whose sum is σ = 206721074874688. Its totient is φ = 195703386681600.

The previous prime is 201210313224407. The next prime is 201210313224433. The reversal of 201210313224421 is 124422313012102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201210313224421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201210313224421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210313224461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343737126 + ... + 1343886856.

It is an arithmetic number, because the mean of its divisors is an integer number (12920067179668).

Almost surely, 2^{201210313224421} is an apocalyptic number.

It is an amenable number.

201210313224421 is a deficient number, since it is larger than the sum of its proper divisors (5510761650267).

201210313224421 is a wasteful number, since it uses less digits than its factorization.

201210313224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162292.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 201210313224421 its reverse (124422313012102), we get a palindrome (325632626236523).

The spelling of 201210313224421 in words is "two hundred one trillion, two hundred ten billion, three hundred thirteen million, two hundred twenty-four thousand, four hundred twenty-one".