2221210311202 has 4 divisors (see below), whose sum is σ = 3331815466806. Its totient is φ = 1110605155600.

The previous prime is 2221210311193. The next prime is 2221210311217. The reversal of 2221210311202 is 2021130121222.

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., 1778544971641 + 442665339561 = 1333621^2 + 665331^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221210311202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555302577799 + ... + 555302577802.

Almost surely, 2^{2221210311202} is an apocalyptic number.

2221210311202 is a deficient number, since it is larger than the sum of its proper divisors (1110605155604).

2221210311202 is a wasteful number, since it uses less digits than its factorization.

2221210311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110605155603.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2221210311202 its reverse (2021130121222), we get a palindrome (4242340432424).

The spelling of 2221210311202 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, three hundred eleven thousand, two hundred two".