20011112102 has 8 divisors (see below), whose sum is σ = 30017300112. Its totient is φ = 10005345400.

The previous prime is 20011112089. The next prime is 20011112137. The reversal of 20011112102 is 20121111002.

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, 75527 + ... + 213837.

It is an arithmetic number, because the mean of its divisors is an integer number (3752162514).

Almost surely, 2^20011112102 is an apocalyptic number.

20011112102 is a deficient number, since it is larger than the sum of its proper divisors (10006188010).

20011112102 is a wasteful number, since it uses less digits than its factorization.

20011112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210654.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20011112102 its reverse (20121111002), we get a palindrome (40132223104).

The spelling of 20011112102 in words is "twenty billion, eleven million, one hundred twelve thousand, one hundred two".