202010221220210 has 64 divisors (see below), whose sum is σ = 392394530449152. Its totient is φ = 74435104279296.

The previous prime is 202010221220141. The next prime is 202010221220219. The reversal of 202010221220210 is 12022122010202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202010221220219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137152097 + ... + 138617163.

It is an arithmetic number, because the mean of its divisors is an integer number (6131164538268).

Almost surely, 2^{202010221220210} is an apocalyptic number.

202010221220210 is a deficient number, since it is larger than the sum of its proper divisors (190384309228942).

202010221220210 is a wasteful number, since it uses less digits than its factorization.

202010221220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467267.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202010221220210 its reverse (12022122010202), we get a palindrome (214032343230412).

The spelling of 202010221220210 in words is "two hundred two trillion, ten billion, two hundred twenty-one million, two hundred twenty thousand, two hundred ten".