10011201211 has 4 divisors (see below), whose sum is σ = 10921310424.
Its totient is φ = 9101092000.
The previous prime is 10011201209. The next prime is 10011201229. The reversal of 10011201211 is 11210211001.
Adding to 10011201211 its reverse (11210211001), we get a palindrome (21221412212).
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11210211001 = 11 ⋅1019110091.
It is not a de Polignac number, because 10011201211 - 21 = 10011201209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10011201611) 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, 455054590 + ... + 455054611.
It is an arithmetic number, because the mean of its divisors is an integer number (2730327606).
Almost surely, 210011201211 is an apocalyptic number.
10011201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10011201211 is a deficient number, since it is larger than the sum of its proper divisors (910109213).
10011201211 is an equidigital number, since it uses as much as digits as its factorization.
10011201211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910109212.
The product of its (nonzero) digits is 4, while the sum is 10.
The spelling of 10011201211 in words is "ten billion, eleven million, two hundred one thousand, two hundred eleven".