2121220000022 has 8 divisors (see below), whose sum is σ = 3249528510816. Its totient is φ = 1038043829752.

The previous prime is 2121220000007. The next prime is 2121220000049. The reversal of 2121220000022 is 2200000221212.

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

It is a junction number, because it is equal to n+sod(n) for n = 2121219999961 and 2121220000006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11283085013 + ... + 11283085200.

It is an arithmetic number, because the mean of its divisors is an integer number (406191063852).

Almost surely, 2^{2121220000022} is an apocalyptic number.

2121220000022 is a deficient number, since it is larger than the sum of its proper divisors (1128308510794).

2121220000022 is a wasteful number, since it uses less digits than its factorization.

2121220000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566170262.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2121220000022 its reverse (2200000221212), we get a palindrome (4321220221234).

The spelling of 2121220000022 in words is "two trillion, one hundred twenty-one billion, two hundred twenty million, twenty-two", and thus it is an aban number.