1100101220221 has 8 divisors (see below), whose sum is σ = 1111976251904. Its totient is φ = 1088237082240.

The previous prime is 1100101220219. The next prime is 1100101220233. The reversal of 1100101220221 is 1220221010011.

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 1100101220221 - 2¹ = 1100101220219 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 (1100101221221) 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, 2520285 + ... + 2924386.

It is an arithmetic number, because the mean of its divisors is an integer number (138997031488).

Almost surely, 2^{1100101220221} is an apocalyptic number.

It is an amenable number.

1100101220221 is a deficient number, since it is larger than the sum of its proper divisors (11875031683).

1100101220221 is an equidigital number, since it uses as much as digits as its factorization.

1100101220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446851.

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

Adding to 1100101220221 its reverse (1220221010011), we get a palindrome (2320322230232).

The spelling of 1100101220221 in words is "one trillion, one hundred billion, one hundred one million, two hundred twenty thousand, two hundred twenty-one".