22021101210002 has 8 divisors (see below), whose sum is σ = 34974690157116. Its totient is φ = 10362871157632.

The previous prime is 22021101209971. The next prime is 22021101210037. The reversal of 22021101210002 is 20001210112022.

It can be written as a sum of positive squares in 2 ways, for example, as 21257733793321 + 763367416681 = 4610611^2 + 873709^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323839723643 + ... + 323839723710.

Almost surely, 2^{22021101210002} is an apocalyptic number.

22021101210002 is a deficient number, since it is larger than the sum of its proper divisors (12953588947114).

22021101210002 is a wasteful number, since it uses less digits than its factorization.

22021101210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647679447372.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021101210002 its reverse (20001210112022), we get a palindrome (42022311322024).

The spelling of 22021101210002 in words is "twenty-two trillion, twenty-one billion, one hundred one million, two hundred ten thousand, two".