20120011001101 has 4 divisors (see below), whose sum is σ = 21949102910304. Its totient is φ = 18290919091900.

The previous prime is 20120011001099. The next prime is 20120011001149. The reversal of 20120011001101 is 10110011002102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20120011001101 - 2¹ = 20120011001099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120011001201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914545954585 + ... + 914545954606.

It is an arithmetic number, because the mean of its divisors is an integer number (5487275727576).

Almost surely, 2^{20120011001101} is an apocalyptic number.

It is an amenable number.

20120011001101 is a deficient number, since it is larger than the sum of its proper divisors (1829091909203).

20120011001101 is a wasteful number, since it uses less digits than its factorization.

20120011001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829091909202.

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

Adding to 20120011001101 its reverse (10110011002102), we get a palindrome (30230022003203).

The spelling of 20120011001101 in words is "twenty trillion, one hundred twenty billion, eleven million, one thousand, one hundred one".