2211223211320 has 64 divisors (see below), whose sum is σ = 5022552744000. Its totient is φ = 876085659648.

The previous prime is 2211223211303. The next prime is 2211223211347. The reversal of 2211223211320 is 231123221122.

It is a super-2 number, since 2×2211223211320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211223211291 and 2211223211300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13385949 + ... + 13550131.

It is an arithmetic number, because the mean of its divisors is an integer number (78477386625).

Almost surely, 2^{2211223211320} is an apocalyptic number.

2211223211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211223211320 is an abundant number, since it is smaller than the sum of its proper divisors (2811329532680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211223211320 is a wasteful number, since it uses less digits than its factorization.

2211223211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167392 (or 167388 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2211223211320 its reverse (231123221122), we get a palindrome (2442346432442).

The spelling of 2211223211320 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, two hundred eleven thousand, three hundred twenty".