11010102120221 has 4 divisors (see below), whose sum is σ = 11589581179200. Its totient is φ = 10430623061244.

The previous prime is 11010102120167. The next prime is 11010102120239. The reversal of 11010102120221 is 12202120101011.

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-11010102120221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010102120196 and 11010102120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010104120221) 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, 289739529461 + ... + 289739529498.

It is an arithmetic number, because the mean of its divisors is an integer number (2897395294800).

Almost surely, 2^{11010102120221} is an apocalyptic number.

It is an amenable number.

11010102120221 is a deficient number, since it is larger than the sum of its proper divisors (579479058979).

11010102120221 is an equidigital number, since it uses as much as digits as its factorization.

11010102120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579479058978.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11010102120221 its reverse (12202120101011), we get a palindrome (23212222221232).

The spelling of 11010102120221 in words is "eleven trillion, ten billion, one hundred two million, one hundred twenty thousand, two hundred twenty-one".