1301221103211 has 16 divisors (see below), whose sum is σ = 1939278297600. Its totient is φ = 862286237064.

The previous prime is 1301221103201. The next prime is 1301221103267. The reversal of 1301221103211 is 1123011221031.

1301221103211 is a `hidden beast` number, since 130 + 1 + 2 + 211 + 0 + 321 + 1 = 666.

It is not a de Polignac number, because 1301221103211 - 2¹⁴ = 1301221086827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301221103201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144287031 + ... + 144296048.

It is an arithmetic number, because the mean of its divisors is an integer number (121204893600).

Almost surely, 2^{1301221103211} is an apocalyptic number.

1301221103211 is a deficient number, since it is larger than the sum of its proper divisors (638057194389).

1301221103211 is a wasteful number, since it uses less digits than its factorization.

1301221103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288583255 (or 288583249 counting only the distinct ones).

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

Adding to 1301221103211 its reverse (1123011221031), we get a palindrome (2424232324242).

The spelling of 1301221103211 in words is "one trillion, three hundred one billion, two hundred twenty-one million, one hundred three thousand, two hundred eleven".