201220210222 has 16 divisors (see below), whose sum is σ = 304856678880. Its totient is φ = 99601932672.

The previous prime is 201220210211. The next prime is 201220210253. The reversal of 201220210222 is 222012022102.

It is a junction number, because it is equal to n+sod(n) for n = 201220210196 and 201220210205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508858 + ... + 813250.

It is an arithmetic number, because the mean of its divisors is an integer number (19053542430).

Almost surely, 2^201220210222 is an apocalyptic number.

201220210222 is a deficient number, since it is larger than the sum of its proper divisors (103636468658).

201220210222 is a wasteful number, since it uses less digits than its factorization.

201220210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307707.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201220210222 its reverse (222012022102), we get a palindrome (423232232324).

The spelling of 201220210222 in words is "two hundred one billion, two hundred twenty million, two hundred ten thousand, two hundred twenty-two".