2001211202201 has 8 divisors (see below), whose sum is σ = 2174490950400. Its totient is φ = 1834726738320.

The previous prime is 2001211202191. The next prime is 2001211202231. The reversal of 2001211202201 is 1022021121002.

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 2001211202201 - 2²² = 2001207007897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001211202231) 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, 1698820466 + ... + 1698821643.

It is an arithmetic number, because the mean of its divisors is an integer number (271811368800).

Almost surely, 2^{2001211202201} is an apocalyptic number.

It is an amenable number.

2001211202201 is a deficient number, since it is larger than the sum of its proper divisors (173279748199).

2001211202201 is a wasteful number, since it uses less digits than its factorization.

2001211202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397642159.

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

Adding to 2001211202201 its reverse (1022021121002), we get a palindrome (3023232323203).

The spelling of 2001211202201 in words is "two trillion, one billion, two hundred eleven million, two hundred two thousand, two hundred one".