11012101220101 has 4 divisors (see below), whose sum is σ = 11176460939872. Its totient is φ = 10847741500332.

The previous prime is 11012101220039. The next prime is 11012101220129. The reversal of 11012101220101 is 10102210121011.

It is a happy number.

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 11012101220101 - 2²¹ = 11012099122949 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 (11012101230101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82179859785 + ... + 82179859918.

It is an arithmetic number, because the mean of its divisors is an integer number (2794115234968).

Almost surely, 2^{11012101220101} is an apocalyptic number.

It is an amenable number.

11012101220101 is a deficient number, since it is larger than the sum of its proper divisors (164359719771).

11012101220101 is an equidigital number, since it uses as much as digits as its factorization.

11012101220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164359719770.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11012101220101 its reverse (10102210121011), we get a palindrome (21114311341112).

The spelling of 11012101220101 in words is "eleven trillion, twelve billion, one hundred one million, two hundred twenty thousand, one hundred one".