1221130001301 has 32 divisors (see below), whose sum is σ = 1898751664128. Its totient is φ = 683671881600.

The previous prime is 1221130001281. The next prime is 1221130001309. The reversal of 1221130001301 is 1031000311221.

It is a happy number.

It is not a de Polignac number, because 1221130001301 - 2¹⁵ = 1221129968533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221130001309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2406141 + ... + 2869106.

It is an arithmetic number, because the mean of its divisors is an integer number (59335989504).

Almost surely, 2^{1221130001301} is an apocalyptic number.

It is an amenable number.

1221130001301 is a deficient number, since it is larger than the sum of its proper divisors (677621662827).

1221130001301 is a wasteful number, since it uses less digits than its factorization.

1221130001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275481.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1221130001301 its reverse (1031000311221), we get a palindrome (2252130312522).

The spelling of 1221130001301 in words is "one trillion, two hundred twenty-one billion, one hundred thirty million, one thousand, three hundred one".