1321000210122 has 8 divisors (see below), whose sum is σ = 2642000420256. Its totient is φ = 440333403372.

The previous prime is 1321000210091. The next prime is 1321000210141. The reversal of 1321000210122 is 2210120001231.

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

1321000210122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110083350838 + ... + 110083350849.

It is an arithmetic number, because the mean of its divisors is an integer number (330250052532).

Almost surely, 2^{1321000210122} is an apocalyptic number.

1321000210122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1321000210122 is a wasteful number, since it uses less digits than its factorization.

1321000210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220166701692.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1321000210122 its reverse (2210120001231), we get a palindrome (3531120211353).

The spelling of 1321000210122 in words is "one trillion, three hundred twenty-one billion, two hundred ten thousand, one hundred twenty-two".