202122212010 has 64 divisors (see below), whose sum is σ = 491935731840. Its totient is φ = 53142425600.

The previous prime is 202122211961. The next prime is 202122212069. The reversal of 202122212010 is 10212221202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835285 + ... + 1049735.

It is an arithmetic number, because the mean of its divisors is an integer number (7686495810).

Almost surely, 2^202122212010 is an apocalyptic number.

202122212010 is an abundant number, since it is smaller than the sum of its proper divisors (289813519830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202122212010 is a wasteful number, since it uses less digits than its factorization.

202122212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214903.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202122212010 its reverse (10212221202), we get a palindrome (212334433212).

The spelling of 202122212010 in words is "two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, ten".