22020000121002 has 64 divisors (see below), whose sum is σ = 48081063937536. Its totient is φ = 6682060085760.

The previous prime is 22020000120997. The next prime is 22020000121027. The reversal of 22020000121002 is 20012100002022.

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 31 ways as a sum of consecutive naturals, for example, 77929408 + ... + 78211460.

It is an arithmetic number, because the mean of its divisors is an integer number (751266624024).

Almost surely, 2^{22020000121002} is an apocalyptic number.

22020000121002 is an abundant number, since it is smaller than the sum of its proper divisors (26061063816534).

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

22020000121002 is a wasteful number, since it uses less digits than its factorization.

22020000121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295855.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020000121002 its reverse (20012100002022), we get a palindrome (42032100123024).

The spelling of 22020000121002 in words is "twenty-two trillion, twenty billion, one hundred twenty-one thousand, two".