11231221202233 has 8 divisors (see below), whose sum is σ = 11476552227840. Its totient is φ = 10986155546400.

The previous prime is 11231221202221. The next prime is 11231221202237. The reversal of 11231221202233 is 33220212213211.

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 11231221202233 - 2³⁷ = 11093782248761 is a prime.

It is a super-2 number, since 2×11231221202233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11231221202198 and 11231221202207.

It is not an unprimeable number, because it can be changed into a prime (11231221202237) 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, 66256873 + ... + 66426166.

It is an arithmetic number, because the mean of its divisors is an integer number (1434569028480).

Almost surely, 2^{11231221202233} is an apocalyptic number.

It is an amenable number.

11231221202233 is a deficient number, since it is larger than the sum of its proper divisors (245331025607).

11231221202233 is a wasteful number, since it uses less digits than its factorization.

11231221202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132684887.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11231221202233 its reverse (33220212213211), we get a palindrome (44451433415444).

The spelling of 11231221202233 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, two hundred two thousand, two hundred thirty-three".