22020121021002 has 32 divisors (see below), whose sum is σ = 47668704031872. Its totient is φ = 6741028843584.

The previous prime is 22020121020991. The next prime is 22020121021009. The reversal of 22020121021002 is 20012012102022.

It is not an unprimeable number, because it can be changed into a prime (22020121021009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 716505558 + ... + 716536289.

It is an arithmetic number, because the mean of its divisors is an integer number (1489647000996).

Almost surely, 2^{22020121021002} is an apocalyptic number.

22020121021002 is an abundant number, since it is smaller than the sum of its proper divisors (25648583010870).

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

22020121021002 is a wasteful number, since it uses less digits than its factorization.

22020121021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433042062.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020121021002 its reverse (20012012102022), we get a palindrome (42032133123024).

The spelling of 22020121021002 in words is "twenty-two trillion, twenty billion, one hundred twenty-one million, twenty-one thousand, two".