2011022101201 has 4 divisors (see below), whose sum is σ = 2016272812032. Its totient is φ = 2005771390372.

The previous prime is 2011022101199. The next prime is 2011022101273. The reversal of 2011022101201 is 1021012201102.

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 a cyclic number.

It is not a de Polignac number, because 2011022101201 - 2¹ = 2011022101199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011022101001) 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, 2625354841 + ... + 2625355606.

It is an arithmetic number, because the mean of its divisors is an integer number (504068203008).

Almost surely, 2^{2011022101201} is an apocalyptic number.

It is an amenable number.

2011022101201 is a deficient number, since it is larger than the sum of its proper divisors (5250710831).

2011022101201 is an equidigital number, since it uses as much as digits as its factorization.

2011022101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250710830.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011022101201 its reverse (1021012201102), we get a palindrome (3032034302303).

Subtracting from 2011022101201 its reverse (1021012201102), we obtain a palindrome (990009900099).

The spelling of 2011022101201 in words is "two trillion, eleven billion, twenty-two million, one hundred one thousand, two hundred one".