2011221202001 has 16 divisors (see below), whose sum is σ = 2317037184000. Its totient is φ = 1727817043920.

The previous prime is 2011221201973. The next prime is 2011221202007. The reversal of 2011221202001 is 1002021221102.

It is not a de Polignac number, because 2011221202001 - 2²² = 2011217007697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011221202007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47867501 + ... + 47909498.

It is an arithmetic number, because the mean of its divisors is an integer number (144814824000).

Almost surely, 2^{2011221202001} is an apocalyptic number.

It is an amenable number.

2011221202001 is a deficient number, since it is larger than the sum of its proper divisors (305815981999).

2011221202001 is a wasteful number, since it uses less digits than its factorization.

2011221202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95777116.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011221202001 its reverse (1002021221102), we get a palindrome (3013242423103).

The spelling of 2011221202001 in words is "two trillion, eleven billion, two hundred twenty-one million, two hundred two thousand, one".