22121030020002 has 8 divisors (see below), whose sum is σ = 44242060040016. Its totient is φ = 7373676673332.

The previous prime is 22121030019937. The next prime is 22121030020003. The reversal of 22121030020002 is 20002003012122.

It is a happy number.

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

22121030020002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22121030020003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843419168328 + ... + 1843419168339.

It is an arithmetic number, because the mean of its divisors is an integer number (5530257505002).

Almost surely, 2^{22121030020002} is an apocalyptic number.

22121030020002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22121030020002 is a wasteful number, since it uses less digits than its factorization.

22121030020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686838336672.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22121030020002 its reverse (20002003012122), we get a palindrome (42123033032124).

The spelling of 22121030020002 in words is "twenty-two trillion, one hundred twenty-one billion, thirty million, twenty thousand, two".