1100020203101 has 4 divisors (see below), whose sum is σ = 1100210162304. Its totient is φ = 1099830243900.

The previous prime is 1100020203067. The next prime is 1100020203259. The reversal of 1100020203101 is 1013020200011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100020203101 - 2¹⁴ = 1100020186717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020203701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94970915 + ... + 94982496.

It is an arithmetic number, because the mean of its divisors is an integer number (275052540576).

Almost surely, 2^{1100020203101} is an apocalyptic number.

It is an amenable number.

1100020203101 is a deficient number, since it is larger than the sum of its proper divisors (189959203).

1100020203101 is an equidigital number, since it uses as much as digits as its factorization.

1100020203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189959202.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1100020203101 its reverse (1013020200011), we get a palindrome (2113040403112).

The spelling of 1100020203101 in words is "one trillion, one hundred billion, twenty million, two hundred three thousand, one hundred one".