1303221121101 has 12 divisors (see below), whose sum is σ = 1894896937440. Its totient is φ = 863060344200.

The previous prime is 1303221121091. The next prime is 1303221121129. The reversal of 1303221121101 is 1011211223031.

1303221121101 is a `hidden beast` number, since 130 + 322 + 1 + 1 + 211 + 0 + 1 = 666.

It is not a de Polignac number, because 1303221121101 - 2¹⁵ = 1303221088333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303221121801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479476611 + ... + 479479328.

It is an arithmetic number, because the mean of its divisors is an integer number (157908078120).

Almost surely, 2^{1303221121101} is an apocalyptic number.

It is an amenable number.

1303221121101 is a deficient number, since it is larger than the sum of its proper divisors (591675816339).

1303221121101 is a wasteful number, since it uses less digits than its factorization.

1303221121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958956096 (or 958956093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1303221121101 its reverse (1011211223031), we get a palindrome (2314432344132).

The spelling of 1303221121101 in words is "one trillion, three hundred three billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred one".