202122201 has 8 divisors (see below), whose sum is σ = 278189824. Its totient is φ = 130401360.

The previous prime is 202122149. The next prime is 202122203. The reversal of 202122201 is 102221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202122201 - 2⁷ = 202122073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202122203) 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, 1086586 + ... + 1086771.

It is an arithmetic number, because the mean of its divisors is an integer number (34773728).

Almost surely, 2^202122201 is an apocalyptic number.

It is an amenable number.

202122201 is a deficient number, since it is larger than the sum of its proper divisors (76067623).

202122201 is a wasteful number, since it uses less digits than its factorization.

202122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173391.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202122201 is about 14216.9687697484. The cubic root of 202122201 is about 586.8647254760.

Adding to 202122201 its reverse (102221202), we get a palindrome (304343403).

Subtracting from 202122201 its reverse (102221202), we obtain a palindrome (99900999).

The spelling of 202122201 in words is "two hundred two million, one hundred twenty-two thousand, two hundred one".