20111001112 has 8 divisors (see below), whose sum is σ = 37708127100. Its totient is φ = 10055500552.

The previous prime is 20111001109. The next prime is 20111001121. The reversal of 20111001112 is 21110011102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256937562 + ... + 1256937577.

Almost surely, 2^20111001112 is an apocalyptic number.

It is an amenable number.

20111001112 is a deficient number, since it is larger than the sum of its proper divisors (17597125988).

20111001112 is a wasteful number, since it uses less digits than its factorization.

20111001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513875145 (or 2513875141 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20111001112 its reverse (21110011102), we get a palindrome (41221012214).

The spelling of 20111001112 in words is "twenty billion, one hundred eleven million, one thousand, one hundred twelve".