20010020221122 has 128 divisors (see below), whose sum is σ = 41739367219200. Its totient is φ = 6388312207680.

The previous prime is 20010020221097. The next prime is 20010020221151. The reversal of 20010020221122 is 22112202001002.

It is a super-2 number, since 2×20010020221122² (a number of 27 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 14303087379 + ... + 14303088777.

It is an arithmetic number, because the mean of its divisors is an integer number (326088806400).

Almost surely, 2^{20010020221122} is an apocalyptic number.

20010020221122 is an abundant number, since it is smaller than the sum of its proper divisors (21729346998078).

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

20010020221122 is a wasteful number, since it uses less digits than its factorization.

20010020221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

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

Adding to 20010020221122 its reverse (22112202001002), we get a palindrome (42122222222124).

The spelling of 20010020221122 in words is "twenty trillion, ten billion, twenty million, two hundred twenty-one thousand, one hundred twenty-two".