1321122213030 has 32 divisors (see below), whose sum is σ = 3172380883200. Its totient is φ = 352111748832.

The previous prime is 1321122213029. The next prime is 1321122213031. The reversal of 1321122213030 is 303122211231.

It is an interprime number because it is at equal distance from previous prime (1321122213029) and next prime (1321122213031).

It is a super-2 number, since 2×1321122213030² (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 = 1321122212988 and 1321122213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321122213031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11661940 + ... + 11774679.

It is an arithmetic number, because the mean of its divisors is an integer number (99136902600).

Almost surely, 2^{1321122213030} is an apocalyptic number.

1321122213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321122213030 is an abundant number, since it is smaller than the sum of its proper divisors (1851258670170).

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

1321122213030 is a wasteful number, since it uses less digits than its factorization.

1321122213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23438508.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1321122213030 its reverse (303122211231), we get a palindrome (1624244424261).

The spelling of 1321122213030 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-two million, two hundred thirteen thousand, thirty".