1321211022230 has 32 divisors (see below), whose sum is σ = 2595107738880. Its totient is φ = 480305236320.

The previous prime is 1321211022203. The next prime is 1321211022253. The reversal of 1321211022230 is 322201121231.

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, 1295924 + ... + 2078903.

It is an arithmetic number, because the mean of its divisors is an integer number (81097116840).

Almost surely, 2^{1321211022230} is an apocalyptic number.

1321211022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321211022230 is a deficient number, since it is larger than the sum of its proper divisors (1273896716650).

1321211022230 is a wasteful number, since it uses less digits than its factorization.

1321211022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378404.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1321211022230 its reverse (322201121231), we get a palindrome (1643412143461).

Subtracting from 1321211022230 its reverse (322201121231), we obtain a palindrome (999009900999).

The spelling of 1321211022230 in words is "one trillion, three hundred twenty-one billion, two hundred eleven million, twenty-two thousand, two hundred thirty".