20112202111208 has 32 divisors (see below), whose sum is σ = 39935976487560. Its totient is φ = 9462825861120.

The previous prime is 20112202111207. The next prime is 20112202111223. The reversal of 20112202111208 is 80211120221102.

It can be written as a sum of positive squares in 4 ways, for example, as 20110399429444 + 1802681764 = 4484462^2 + 42458^2 .

It is not an unprimeable number, because it can be changed into a prime (20112202111207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12849791 + ... + 14329742.

Almost surely, 2^{20112202111208} is an apocalyptic number.

It is an amenable number.

20112202111208 is a deficient number, since it is larger than the sum of its proper divisors (19823774376352).

20112202111208 is a wasteful number, since it uses less digits than its factorization.

20112202111208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27184997 (or 27184993 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The spelling of 20112202111208 in words is "twenty trillion, one hundred twelve billion, two hundred two million, one hundred eleven thousand, two hundred eight".