22311211213 has 8 divisors (see below), whose sum is σ = 23625796608. Its totient is φ = 20996865984.

The previous prime is 22311211201. The next prime is 22311211217. The reversal of 22311211213 is 31211211322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22311211213 is a prime.

It is a super-3 number, since 3×22311211213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311211217) 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, 152820 + ... + 260722.

It is an arithmetic number, because the mean of its divisors is an integer number (2953224576).

Almost surely, 2^22311211213 is an apocalyptic number.

It is an amenable number.

22311211213 is a deficient number, since it is larger than the sum of its proper divisors (1314585395).

22311211213 is a wasteful number, since it uses less digits than its factorization.

22311211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120083.

The product of its digits is 144, while the sum is 19.

Adding to 22311211213 its reverse (31211211322), we get a palindrome (53522422535).

The spelling of 22311211213 in words is "twenty-two billion, three hundred eleven million, two hundred eleven thousand, two hundred thirteen".