1011100202101 has 4 divisors (see below), whose sum is σ = 1103018402304. Its totient is φ = 919182001900.

The previous prime is 1011100202083. The next prime is 1011100202117. The reversal of 1011100202101 is 1012020011101.

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 a de Polignac number, because none of the positive numbers 2^k-1011100202101 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 (1011100202141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45959100085 + ... + 45959100106.

It is an arithmetic number, because the mean of its divisors is an integer number (275754600576).

Almost surely, 2^{1011100202101} is an apocalyptic number.

1011100202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011100202101 is a deficient number, since it is larger than the sum of its proper divisors (91918200203).

1011100202101 is an equidigital number, since it uses as much as digits as its factorization.

1011100202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91918200202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011100202101 its reverse (1012020011101), we get a palindrome (2023120213202).

The spelling of 1011100202101 in words is "one trillion, eleven billion, one hundred million, two hundred two thousand, one hundred one".