2011102100221 has 8 divisors (see below), whose sum is σ = 2125807113600. Its totient is φ = 1897282840320.

The previous prime is 2011102100213. The next prime is 2011102100239. The reversal of 2011102100221 is 1220012011102.

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 2011102100221 - 2³ = 2011102100213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102100251) 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, 221433700 + ... + 221442781.

It is an arithmetic number, because the mean of its divisors is an integer number (265725889200).

Almost surely, 2^{2011102100221} is an apocalyptic number.

It is an amenable number.

2011102100221 is a deficient number, since it is larger than the sum of its proper divisors (114705013379).

2011102100221 is a wasteful number, since it uses less digits than its factorization.

2011102100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442876739.

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

Adding to 2011102100221 its reverse (1220012011102), we get a palindrome (3231114111323).

The spelling of 2011102100221 in words is "two trillion, eleven billion, one hundred two million, one hundred thousand, two hundred twenty-one".