210221110201012 has 24 divisors (see below), whose sum is σ = 387604362731040. Its totient is φ = 99487147969440.

The previous prime is 210221110200991. The next prime is 210221110201013. The reversal of 210221110201012 is 210102011122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221110201013) 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, 1267592263 + ... + 1267758094.

It is an arithmetic number, because the mean of its divisors is an integer number (16150181780460).

Almost surely, 2^{210221110201012} is an apocalyptic number.

It is an amenable number.

210221110201012 is a deficient number, since it is larger than the sum of its proper divisors (177383252530028).

210221110201012 is a wasteful number, since it uses less digits than its factorization.

210221110201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535351471 (or 2535351469 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210221110201012 its reverse (210102011122012), we get a palindrome (420323121323024).

The spelling of 210221110201012 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred ten million, two hundred one thousand, twelve".