1322100425521 has 8 divisors (see below), whose sum is σ = 1358875001024. Its totient is φ = 1285380699120.

The previous prime is 1322100425519. The next prime is 1322100425533. The reversal of 1322100425521 is 1255240012231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1322100425521 - 2¹ = 1322100425519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322100425521.

It is not an unprimeable number, because it can be changed into a prime (1322100425561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13663395 + ... + 13759816.

It is an arithmetic number, because the mean of its divisors is an integer number (169859375128).

Almost surely, 2^{1322100425521} is an apocalyptic number.

It is an amenable number.

1322100425521 is a deficient number, since it is larger than the sum of its proper divisors (36774575503).

1322100425521 is a wasteful number, since it uses less digits than its factorization.

1322100425521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27424551.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1322100425521 its reverse (1255240012231), we get a palindrome (2577340437752).

The spelling of 1322100425521 in words is "one trillion, three hundred twenty-two billion, one hundred million, four hundred twenty-five thousand, five hundred twenty-one".