20012111010222 has 64 divisors (see below), whose sum is σ = 43317598141440. Its totient is φ = 6142725849600.

The previous prime is 20012111010193. The next prime is 20012111010233. The reversal of 20012111010222 is 22201011121002.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6632943 + ... + 9166250.

It is an arithmetic number, because the mean of its divisors is an integer number (676837470960).

Almost surely, 2^{20012111010222} is an apocalyptic number.

20012111010222 is an abundant number, since it is smaller than the sum of its proper divisors (23305487131218).

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

20012111010222 is a wasteful number, since it uses less digits than its factorization.

20012111010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15799529.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20012111010222 its reverse (22201011121002), we get a palindrome (42213122131224).

The spelling of 20012111010222 in words is "twenty trillion, twelve billion, one hundred eleven million, ten thousand, two hundred twenty-two".