1100211010221 has 4 divisors (see below), whose sum is σ = 1466948013632. Its totient is φ = 733474006812.

The previous prime is 1100211010187. The next prime is 1100211010229. The reversal of 1100211010221 is 1220101120011.

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 not a de Polignac number, because 1100211010221 - 2¹⁴ = 1100210993837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1100211010197 and 1100211010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211010229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183368501701 + ... + 183368501706.

It is an arithmetic number, because the mean of its divisors is an integer number (366737003408).

Almost surely, 2^{1100211010221} is an apocalyptic number.

It is an amenable number.

1100211010221 is a deficient number, since it is larger than the sum of its proper divisors (366737003411).

1100211010221 is an equidigital number, since it uses as much as digits as its factorization.

1100211010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366737003410.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100211010221 its reverse (1220101120011), we get a palindrome (2320312130232).

The spelling of 1100211010221 in words is "one trillion, one hundred billion, two hundred eleven million, ten thousand, two hundred twenty-one".