1100202002021 has 8 divisors (see below), whose sum is σ = 1100702450880. Its totient is φ = 1099701673888.

The previous prime is 1100202001999. The next prime is 1100202002047. The reversal of 1100202002021 is 1202002020011.

It is a happy number.

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 1100202002021 - 2¹⁸ = 1100201739877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100202001993 and 1100202002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100202002071) 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, 21560225 + ... + 21611193.

It is an arithmetic number, because the mean of its divisors is an integer number (137587806360).

Almost surely, 2^{1100202002021} is an apocalyptic number.

It is an amenable number.

1100202002021 is a deficient number, since it is larger than the sum of its proper divisors (500448859).

1100202002021 is an equidigital number, since it uses as much as digits as its factorization.

1100202002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60363.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1100202002021 its reverse (1202002020011), we get a palindrome (2302204022032).

The spelling of 1100202002021 in words is "one trillion, one hundred billion, two hundred two million, two thousand, twenty-one".