2011221102201 has 32 divisors (see below), whose sum is σ = 2823455477760. Its totient is φ = 1271779617600.

The previous prime is 2011221102179. The next prime is 2011221102223. The reversal of 2011221102201 is 1022011221102.

It is an interprime number because it is at equal distance from previous prime (2011221102179) and next prime (2011221102223).

It is not a de Polignac number, because 2011221102201 - 2²⁶ = 2011153993337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011221102901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979090 + ... + 2231828.

It is an arithmetic number, because the mean of its divisors is an integer number (88232983680).

Almost surely, 2^{2011221102201} is an apocalyptic number.

It is an amenable number.

2011221102201 is a deficient number, since it is larger than the sum of its proper divisors (812234375559).

2011221102201 is a wasteful number, since it uses less digits than its factorization.

2011221102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253117.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011221102201 its reverse (1022011221102), we get a palindrome (3033232323303).

The spelling of 2011221102201 in words is "two trillion, eleven billion, two hundred twenty-one million, one hundred two thousand, two hundred one".