1222310010321 has 24 divisors (see below), whose sum is σ = 1861983046560. Its totient is φ = 801061918272.

The previous prime is 1222310010307. The next prime is 1222310010343. The reversal of 1222310010321 is 1230100132221.

1222310010321 is a `hidden beast` number, since 1 + 2 + 22 + 310 + 0 + 10 + 321 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1222310010321 is a prime.

It is a super-2 number, since 2×1222310010321² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222310010294 and 1222310010303.

It is not an unprimeable number, because it can be changed into a prime (1222310010121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42613480 + ... + 42642153.

It is an arithmetic number, because the mean of its divisors is an integer number (77582626940).

Almost surely, 2^{1222310010321} is an apocalyptic number.

It is an amenable number.

1222310010321 is a deficient number, since it is larger than the sum of its proper divisors (639673036239).

1222310010321 is an frugal number, since it uses more digits than its factorization.

1222310010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85255707 (or 85255695 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1222310010321 its reverse (1230100132221), we get a palindrome (2452410142542).

The spelling of 1222310010321 in words is "one trillion, two hundred twenty-two billion, three hundred ten million, ten thousand, three hundred twenty-one".