1100311301021 has 8 divisors (see below), whose sum is σ = 1101220323840. Its totient is φ = 1099402545168.

The previous prime is 1100311301003. The next prime is 1100311301039. The reversal of 1100311301021 is 1201031130011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1100311301003) and next prime (1100311301039).

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 1100311301021 - 2¹⁸ = 1100311038877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100311300987 and 1100311301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100311301051) 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, 8644640 + ... + 8770998.

It is an arithmetic number, because the mean of its divisors is an integer number (137652540480).

Almost surely, 2^{1100311301021} is an apocalyptic number.

It is an amenable number.

1100311301021 is a deficient number, since it is larger than the sum of its proper divisors (909022819).

1100311301021 is a wasteful number, since it uses less digits than its factorization.

1100311301021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133483.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1100311301021 its reverse (1201031130011), we get a palindrome (2301342431032).

The spelling of 1100311301021 in words is "one trillion, one hundred billion, three hundred eleven million, three hundred one thousand, twenty-one".