221122010022002 has 8 divisors (see below), whose sum is σ = 331816920173676. Its totient is φ = 110516369964112.

The previous prime is 221122010021959. The next prime is 221122010022029. The reversal of 221122010022002 is 200220010221122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214312003081201 + 6810006940801 = 14639399^2 + 2609599^2 .

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

It is a super-3 number, since 3×221122010022002³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22317517253 + ... + 22317527160.

Almost surely, 2^{221122010022002} is an apocalyptic number.

221122010022002 is a deficient number, since it is larger than the sum of its proper divisors (110694910151674).

221122010022002 is a wasteful number, since it uses less digits than its factorization.

221122010022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44635046892.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221122010022002 its reverse (200220010221122), we get a palindrome (421342020243124).

The spelling of 221122010022002 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, ten million, twenty-two thousand, two".