20111214001 has 4 divisors (see below), whose sum is σ = 20111510772. Its totient is φ = 20110917232.

The previous prime is 20111213999. The next prime is 20111214077. The reversal of 20111214001 is 10041211102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2101305600 + 18009908401 = 45840^2 + 134201^2 .

It is a cyclic number.

It is not a de Polignac number, because 20111214001 - 2¹ = 20111213999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111214091) 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, 8691 + ... + 200743.

It is an arithmetic number, because the mean of its divisors is an integer number (5027877693).

Almost surely, 2^20111214001 is an apocalyptic number.

It is an amenable number.

20111214001 is a deficient number, since it is larger than the sum of its proper divisors (296771).

20111214001 is a wasteful number, since it uses less digits than its factorization.

20111214001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296770.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20111214001 its reverse (10041211102), we get a palindrome (30152425103).

The spelling of 20111214001 in words is "twenty billion, one hundred eleven million, two hundred fourteen thousand, one".