20112102011222 has 16 divisors (see below), whose sum is σ = 32511838272480. Its totient is φ = 9275920591872.

The previous prime is 20112102011107. The next prime is 20112102011251. The reversal of 20112102011222 is 22211020121102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112102011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274463858 + ... + 274537125.

It is an arithmetic number, because the mean of its divisors is an integer number (2031989892030).

Almost surely, 2^{20112102011222} is an apocalyptic number.

20112102011222 is a deficient number, since it is larger than the sum of its proper divisors (12399736261258).

20112102011222 is a wasteful number, since it uses less digits than its factorization.

20112102011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549002407.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112102011222 its reverse (22211020121102), we get a palindrome (42323122132324).

The spelling of 20112102011222 in words is "twenty trillion, one hundred twelve billion, one hundred two million, eleven thousand, two hundred twenty-two".