20111112110102 has 32 divisors (see below), whose sum is σ = 32792415624864. Its totient is φ = 9194850432000.

The previous prime is 20111112110083. The next prime is 20111112110113. The reversal of 20111112110102 is 20101121111102.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 59926652 + ... + 60261312.

It is an arithmetic number, because the mean of its divisors is an integer number (1024762988277).

Almost surely, 2^{20111112110102} is an apocalyptic number.

20111112110102 is a deficient number, since it is larger than the sum of its proper divisors (12681303514762).

20111112110102 is a wasteful number, since it uses less digits than its factorization.

20111112110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356384.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20111112110102 its reverse (20101121111102), we get a palindrome (40212233221204).

The spelling of 20111112110102 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, one hundred two".