11021217151 has 24 divisors (see below), whose sum is σ = 13048602336. Its totient is φ = 9279184320.

The previous prime is 11021217131. The next prime is 11021217161. The reversal of 11021217151 is 15171212011.

It is not a de Polignac number, because 11021217151 - 2⁹ = 11021216639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021217131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2649165 + ... + 2653321.

It is an arithmetic number, because the mean of its divisors is an integer number (543691764).

Almost surely, 2^11021217151 is an apocalyptic number.

11021217151 is a deficient number, since it is larger than the sum of its proper divisors (2027385185).

11021217151 is an equidigital number, since it uses as much as digits as its factorization.

11021217151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 22.

Adding to 11021217151 its reverse (15171212011), we get a palindrome (26192429162).

The spelling of 11021217151 in words is "eleven billion, twenty-one million, two hundred seventeen thousand, one hundred fifty-one".