201022210 has 16 divisors (see below), whose sum is σ = 362071296. Its totient is φ = 80357488.

The previous prime is 201022207. The next prime is 201022271. The reversal of 201022210 is 12220102.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 12717 + ... + 23743.

It is an arithmetic number, because the mean of its divisors is an integer number (22629456).

Almost surely, 2^201022210 is an apocalyptic number.

201022210 is a deficient number, since it is larger than the sum of its proper divisors (161049086).

201022210 is a wasteful number, since it uses less digits than its factorization.

201022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201022210 is about 14178.2301434276. The cubic root of 201022210 is about 585.7981750895.

Adding to 201022210 its reverse (12220102), we get a palindrome (213242312).

The spelling of 201022210 in words is "two hundred one million, twenty-two thousand, two hundred ten".