2221200210202 has 4 divisors (see below), whose sum is σ = 3331800315306. Its totient is φ = 1110600105100.

The previous prime is 2221200210109. The next prime is 2221200210221. The reversal of 2221200210202 is 2020120021222.

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., 2039929484121 + 181270726081 = 1428261^2 + 425759^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555300052549 + ... + 555300052552.

Almost surely, 2^{2221200210202} is an apocalyptic number.

2221200210202 is a deficient number, since it is larger than the sum of its proper divisors (1110600105104).

2221200210202 is a wasteful number, since it uses less digits than its factorization.

2221200210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110600105103.

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

Adding to 2221200210202 its reverse (2020120021222), we get a palindrome (4241320231424).

The spelling of 2221200210202 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred ten thousand, two hundred two".