20011000011201 has 8 divisors (see below), whose sum is σ = 29645925942560. Its totient is φ = 13340666674116.

The previous prime is 20011000011137. The next prime is 20011000011229. The reversal of 20011000011201 is 10211000011002.

It is a happy number.

It is not a de Polignac number, because 20011000011201 - 2⁶ = 20011000011137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011000011241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370574074255 + ... + 370574074308.

It is an arithmetic number, because the mean of its divisors is an integer number (3705740742820).

Almost surely, 2^{20011000011201} is an apocalyptic number.

It is an amenable number.

20011000011201 is a deficient number, since it is larger than the sum of its proper divisors (9634925931359).

20011000011201 is an equidigital number, since it uses as much as digits as its factorization.

20011000011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741148148572 (or 741148148566 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20011000011201 its reverse (10211000011002), we get a palindrome (30222000022203).

The spelling of 20011000011201 in words is "twenty trillion, eleven billion, eleven thousand, two hundred one".