1100100202021 has 8 divisors (see below), whose sum is σ = 1135644660224. Its totient is φ = 1064559328560.

The previous prime is 1100100202007. The next prime is 1100100202049. The reversal of 1100100202021 is 1202020010011.

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 1100100202021 - 2⁹ = 1100100201509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100100201989 and 1100100202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100100202121) 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, 265446 + ... + 1506871.

It is an arithmetic number, because the mean of its divisors is an integer number (141955582528).

Almost surely, 2^{1100100202021} is an apocalyptic number.

It is an amenable number.

1100100202021 is a deficient number, since it is larger than the sum of its proper divisors (35544458203).

1100100202021 is a wasteful number, since it uses less digits than its factorization.

1100100202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792371.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1100100202021 its reverse (1202020010011), we get a palindrome (2302120212032).

The spelling of 1100100202021 in words is "one trillion, one hundred billion, one hundred million, two hundred two thousand, twenty-one".