11112021012101 has 4 divisors (see below), whose sum is σ = 11112188118912. Its totient is φ = 11111853905292.

The previous prime is 11112021012091. The next prime is 11112021012109. The reversal of 11112021012101 is 10121012021111.

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 11112021012101 - 2¹⁸ = 11112020749957 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 (11112021012109) 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, 83453621 + ... + 83586666.

It is an arithmetic number, because the mean of its divisors is an integer number (2778047029728).

Almost surely, 2^{11112021012101} is an apocalyptic number.

It is an amenable number.

11112021012101 is a deficient number, since it is larger than the sum of its proper divisors (167106811).

11112021012101 is an equidigital number, since it uses as much as digits as its factorization.

11112021012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167106810.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112021012101 its reverse (10121012021111), we get a palindrome (21233033033212).

The spelling of 11112021012101 in words is "eleven trillion, one hundred twelve billion, twenty-one million, twelve thousand, one hundred one".