21211122000122 has 16 divisors (see below), whose sum is σ = 32288836699392. Its totient is φ = 10449157023360.

The previous prime is 21211122000077. The next prime is 21211122000181. The reversal of 21211122000122 is 22100022111212.

It is a self number, because there is not a number n which added to its sum of digits gives 21211122000122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245104004 + ... + 245190527.

It is an arithmetic number, because the mean of its divisors is an integer number (2018052293712).

Almost surely, 2^{21211122000122} is an apocalyptic number.

21211122000122 is a deficient number, since it is larger than the sum of its proper divisors (11077714699270).

21211122000122 is a wasteful number, since it uses less digits than its factorization.

21211122000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490294853.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21211122000122 its reverse (22100022111212), we get a palindrome (43311144111334).

The spelling of 21211122000122 in words is "twenty-one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two", and thus it is an aban number.