20002111101201 has 4 divisors (see below), whose sum is σ = 26669481468272. Its totient is φ = 13334740734132.

The previous prime is 20002111101121. The next prime is 20002111101211. The reversal of 20002111101201 is 10210111120002.

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 not a de Polignac number, because 20002111101201 - 2¹⁷ = 20002110970129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20002111101211) 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, 3333685183531 + ... + 3333685183536.

It is an arithmetic number, because the mean of its divisors is an integer number (6667370367068).

Almost surely, 2^{20002111101201} is an apocalyptic number.

It is an amenable number.

20002111101201 is a deficient number, since it is larger than the sum of its proper divisors (6667370367071).

20002111101201 is an equidigital number, since it uses as much as digits as its factorization.

20002111101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667370367070.

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

Adding to 20002111101201 its reverse (10210111120002), we get a palindrome (30212222221203).

The spelling of 20002111101201 in words is "twenty trillion, two billion, one hundred eleven million, one hundred one thousand, two hundred one".