1100101012221 has 8 divisors (see below), whose sum is σ = 1467647750880. Its totient is φ = 732977474192.

The previous prime is 1100101012207. The next prime is 1100101012249. The reversal of 1100101012221 is 1222101010011.

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 1100101012221 - 2¹⁰ = 1100101011197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100101012197 and 1100101012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100101012201) 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, 105794091 + ... + 105804488.

It is an arithmetic number, because the mean of its divisors is an integer number (183455968860).

Almost surely, 2^{1100101012221} is an apocalyptic number.

It is an amenable number.

1100101012221 is a deficient number, since it is larger than the sum of its proper divisors (367546738659).

1100101012221 is a wasteful number, since it uses less digits than its factorization.

1100101012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211600315.

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

Adding to 1100101012221 its reverse (1222101010011), we get a palindrome (2322202022232).

The spelling of 1100101012221 in words is "one trillion, one hundred billion, one hundred one million, twelve thousand, two hundred twenty-one".