1101212210001 has 4 divisors (see below), whose sum is σ = 1468282946672.
Its totient is φ = 734141473332.
The previous prime is 1101212209939. The next prime is 1101212210003. The reversal of 1101212210001 is 1000122121011.
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 1101212210001 - 217 = 1101212078929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1101212210003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183535368331 + ... + 183535368336.
It is an arithmetic number, because the mean of its divisors is an integer number (367070736668).
Almost surely, 21101212210001 is an apocalyptic number.
It is an amenable number.
1101212210001 is a deficient number, since it is larger than the sum of its proper divisors (367070736671).
1101212210001 is an equidigital number, since it uses as much as digits as its factorization.
1101212210001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367070736670.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 1101212210001 its reverse (1000122121011), we get a palindrome (2101334331012).
The spelling of 1101212210001 in words is "one trillion, one hundred one billion, two hundred twelve million, two hundred ten thousand, one".