201222012202 has 4 divisors (see below), whose sum is σ = 301833018306. Its totient is φ = 100611006100.

The previous prime is 201222012179. The next prime is 201222012209. The reversal of 201222012202 is 202210222102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162530728801 + 38691283401 = 403151^2 + 196701^2 .

It is not an unprimeable number, because it can be changed into a prime (201222012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305503049 + ... + 50305503052.

Almost surely, 2^201222012202 is an apocalyptic number.

201222012202 is a deficient number, since it is larger than the sum of its proper divisors (100611006104).

201222012202 is a wasteful number, since it uses less digits than its factorization.

201222012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100611006103.

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

Adding to 201222012202 its reverse (202210222102), we get a palindrome (403432234304).

The spelling of 201222012202 in words is "two hundred one billion, two hundred twenty-two million, twelve thousand, two hundred two".