20011112011102 has 8 divisors (see below), whose sum is σ = 30016847786112. Its totient is φ = 10005496082400.

The previous prime is 20011112011087. The next prime is 20011112011127. The reversal of 20011112011102 is 20111021111002.

It is a happy number.

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, 29542974 + ... + 30212737.

It is an arithmetic number, because the mean of its divisors is an integer number (3752105973264).

Almost surely, 2^{20011112011102} is an apocalyptic number.

20011112011102 is a deficient number, since it is larger than the sum of its proper divisors (10005735775010).

20011112011102 is a wasteful number, since it uses less digits than its factorization.

20011112011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59923154.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20011112011102 its reverse (20111021111002), we get a palindrome (40122133122104).

The spelling of 20011112011102 in words is "twenty trillion, eleven billion, one hundred twelve million, eleven thousand, one hundred two".