210221112012202 has 16 divisors (see below), whose sum is σ = 325672050488832. Its totient is φ = 101667270040560.

The previous prime is 210221112012143. The next prime is 210221112012203. The reversal of 210221112012202 is 202210211122012.

It is a self number, because there is not a number n which added to its sum of digits gives 210221112012202.

It is not an unprimeable number, because it can be changed into a prime (210221112012203) 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, 876926998 + ... + 877166689.

It is an arithmetic number, because the mean of its divisors is an integer number (20354503155552).

Almost surely, 2^{210221112012202} is an apocalyptic number.

210221112012202 is a deficient number, since it is larger than the sum of its proper divisors (115450938476630).

210221112012202 is a wasteful number, since it uses less digits than its factorization.

210221112012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754095653.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210221112012202 its reverse (202210211122012), we get a palindrome (412431323134214).

The spelling of 210221112012202 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, twelve thousand, two hundred two".