20112111220102 has 8 divisors (see below), whose sum is σ = 32910727451112. Its totient is φ = 9141868736400.

The previous prime is 20112111220081. The next prime is 20112111220199. The reversal of 20112111220102 is 20102211121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457093436799 + ... + 457093436842.

It is an arithmetic number, because the mean of its divisors is an integer number (4113840931389).

Almost surely, 2^{20112111220102} is an apocalyptic number.

20112111220102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112111220102 is a deficient number, since it is larger than the sum of its proper divisors (12798616231010).

20112111220102 is a wasteful number, since it uses less digits than its factorization.

20112111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914186873654.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20112111220102 its reverse (20102211121102), we get a palindrome (40214322341204).

The spelling of 20112111220102 in words is "twenty trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred two".