1001011201211 has 8 divisors (see below), whose sum is σ = 1144047972864. Its totient is φ = 857983222440.

The previous prime is 1001011201189. The next prime is 1001011201261. The reversal of 1001011201211 is 1121021101001.

1001011201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1001011201211 - 2⁶ = 1001011201147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001011201192 and 1001011201201.

It is not an unprimeable number, because it can be changed into a prime (1001011201261) 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, 1952435 + ... + 2411228.

It is an arithmetic number, because the mean of its divisors is an integer number (143005996608).

Almost surely, 2^{1001011201211} is an apocalyptic number.

1001011201211 is a deficient number, since it is larger than the sum of its proper divisors (143036771653).

1001011201211 is an equidigital number, since it uses as much as digits as its factorization.

1001011201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396441.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1001011201211 its reverse (1121021101001), we get a palindrome (2122032302212).

The spelling of 1001011201211 in words is "one trillion, one billion, eleven million, two hundred one thousand, two hundred eleven".