1100101110021 has 48 divisors (see below), whose sum is σ = 1638680359680. Its totient is φ = 710653668480.

The previous prime is 1100101110019. The next prime is 1100101110049. The reversal of 1100101110021 is 1200111010011.

It is not a de Polignac number, because 1100101110021 - 2¹ = 1100101110019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100101109985 and 1100101110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100101110091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188402820 + ... + 188408658.

It is an arithmetic number, because the mean of its divisors is an integer number (34139174160).

Almost surely, 2^{1100101110021} is an apocalyptic number.

It is an amenable number.

1100101110021 is a deficient number, since it is larger than the sum of its proper divisors (538579249659).

1100101110021 is a wasteful number, since it uses less digits than its factorization.

1100101110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100101110021 its reverse (1200111010011), we get a palindrome (2300212120032).

The spelling of 1100101110021 in words is "one trillion, one hundred billion, one hundred one million, one hundred ten thousand, twenty-one".