20011210112001 has 8 divisors (see below), whose sum is σ = 26681812710784. Its totient is φ = 13340707127280.

The previous prime is 20011210111957. The next prime is 20011210112021. The reversal of 20011210112001 is 10021101211002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20011210112001 - 2⁷ = 20011210111873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011210112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24433510 + ... + 25239231.

It is an arithmetic number, because the mean of its divisors is an integer number (3335226588848).

Almost surely, 2^{20011210112001} is an apocalyptic number.

It is an amenable number.

20011210112001 is a deficient number, since it is larger than the sum of its proper divisors (6670602598783).

20011210112001 is a wasteful number, since it uses less digits than its factorization.

20011210112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49807031.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20011210112001 its reverse (10021101211002), we get a palindrome (30032311323003).

The spelling of 20011210112001 in words is "twenty trillion, eleven billion, two hundred ten million, one hundred twelve thousand, one".