20201100012222 has 32 divisors (see below), whose sum is σ = 41495590513824. Its totient is φ = 6551480880000.

The previous prime is 20201100012173. The next prime is 20201100012319. The reversal of 20201100012222 is 22221000110202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4896972 + ... + 8023872.

It is an arithmetic number, because the mean of its divisors is an integer number (1296737203557).

Almost surely, 2^{20201100012222} is an apocalyptic number.

20201100012222 is an abundant number, since it is smaller than the sum of its proper divisors (21294490501602).

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

20201100012222 is a wasteful number, since it uses less digits than its factorization.

20201100012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156044.

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

Adding to 20201100012222 its reverse (22221000110202), we get a palindrome (42422100122424).

The spelling of 20201100012222 in words is "twenty trillion, two hundred one billion, one hundred million, twelve thousand, two hundred twenty-two".