20100101101112 has 8 divisors (see below), whose sum is σ = 37687689564600. Its totient is φ = 10050050550552.

The previous prime is 20100101101103. The next prime is 20100101101147. The reversal of 20100101101112 is 21110110100102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20100101101093 and 20100101101102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256256318812 + ... + 1256256318827.

It is an arithmetic number, because the mean of its divisors is an integer number (4710961195575).

Almost surely, 2^{20100101101112} is an apocalyptic number.

It is an amenable number.

20100101101112 is a deficient number, since it is larger than the sum of its proper divisors (17587588463488).

20100101101112 is a wasteful number, since it uses less digits than its factorization.

20100101101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512512637645 (or 2512512637641 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20100101101112 its reverse (21110110100102), we get a palindrome (41210211201214).

The spelling of 20100101101112 in words is "twenty trillion, one hundred billion, one hundred one million, one hundred one thousand, one hundred twelve".