1301111221332 has 48 divisors (see below), whose sum is σ = 3461780089152. Its totient is φ = 376792389120.

The previous prime is 1301111221321. The next prime is 1301111221379. The reversal of 1301111221332 is 2331221111031.

It is a junction number, because it is equal to n+sod(n) for n = 1301111221299 and 1301111221308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245304894 + ... + 245310197.

It is an arithmetic number, because the mean of its divisors is an integer number (72120418524).

Almost surely, 2^{1301111221332} is an apocalyptic number.

1301111221332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301111221332 is an abundant number, since it is smaller than the sum of its proper divisors (2160668867820).

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

1301111221332 is a wasteful number, since it uses less digits than its factorization.

1301111221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490615128 (or 490615126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1301111221332 its reverse (2331221111031), we get a palindrome (3632332332363).

The spelling of 1301111221332 in words is "one trillion, three hundred one billion, one hundred eleven million, two hundred twenty-one thousand, three hundred thirty-two".