1101020002103 has 4 divisors (see below), whose sum is σ = 1258308573840. Its totient is φ = 943731430368.

The previous prime is 1101020002099. The next prime is 1101020002129. The reversal of 1101020002103 is 3012000201011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101020002103 - 2² = 1101020002099 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 (1101020002403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78644285858 + ... + 78644285871.

It is an arithmetic number, because the mean of its divisors is an integer number (314577143460).

Almost surely, 2^{1101020002103} is an apocalyptic number.

1101020002103 is a deficient number, since it is larger than the sum of its proper divisors (157288571737).

1101020002103 is an equidigital number, since it uses as much as digits as its factorization.

1101020002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157288571736.

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

Adding to 1101020002103 its reverse (3012000201011), we get a palindrome (4113020203114).

The spelling of 1101020002103 in words is "one trillion, one hundred one billion, twenty million, two thousand, one hundred three".