11342220221 has 8 divisors (see below), whose sum is σ = 11941545600. Its totient is φ = 10743131520.

The previous prime is 11342220203. The next prime is 11342220277. The reversal of 11342220221 is 12202224311.

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

It is a cyclic number.

It is not a de Polignac number, because 11342220221 - 2²⁶ = 11275111357 is a prime.

It is a super-2 number, since 2×11342220221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11342220193 and 11342220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342228221) 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, 43820 + ... + 156858.

It is an arithmetic number, because the mean of its divisors is an integer number (1492693200).

Almost surely, 2^11342220221 is an apocalyptic number.

It is an amenable number.

11342220221 is a deficient number, since it is larger than the sum of its proper divisors (599325379).

11342220221 is a wasteful number, since it uses less digits than its factorization.

11342220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118339.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11342220221 its reverse (12202224311), we get a palindrome (23544444532).

The spelling of 11342220221 in words is "eleven billion, three hundred forty-two million, two hundred twenty thousand, two hundred twenty-one".