22011100021002 has 16 divisors (see below), whose sum is σ = 44025660787392. Its totient is φ = 7336456549440.

The previous prime is 22011100020991. The next prime is 22011100021049. The reversal of 22011100021002 is 20012000111022.

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 in 7 ways as a sum of consecutive naturals, for example, 144115038 + ... + 144267689.

It is an arithmetic number, because the mean of its divisors is an integer number (2751603799212).

Almost surely, 2^{22011100021002} is an apocalyptic number.

22011100021002 is an abundant number, since it is smaller than the sum of its proper divisors (22014560766390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011100021002 is a wasteful number, since it uses less digits than its factorization.

22011100021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288395453.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22011100021002 its reverse (20012000111022), we get a palindrome (42023100132024).

The spelling of 22011100021002 in words is "twenty-two trillion, eleven billion, one hundred million, twenty-one thousand, two".