11220656297397 has 8 divisors (see below), whose sum is σ = 15003257146944. Its totient is φ = 7459246489728.

The previous prime is 11220656297321. The next prime is 11220656297443. The reversal of 11220656297397 is 79379265602211.

11220656297397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11220656297397 - 2⁸ = 11220656297141 is a prime.

It is a super-3 number, since 3×11220656297397³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11220656297397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220656297297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297759233 + ... + 5297761350.

It is an arithmetic number, because the mean of its divisors is an integer number (1875407143368).

Almost surely, 2^{11220656297397} is an apocalyptic number.

It is an amenable number.

11220656297397 is a deficient number, since it is larger than the sum of its proper divisors (3782600849547).

11220656297397 is a wasteful number, since it uses less digits than its factorization.

11220656297397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10595520939.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 11220656297397 in words is "eleven trillion, two hundred twenty billion, six hundred fifty-six million, two hundred ninety-seven thousand, three hundred ninety-seven".