1301011221111 has 16 divisors (see below), whose sum is σ = 1986283924224. Its totient is φ = 742013495424.

The previous prime is 1301011221091. The next prime is 1301011221149. The reversal of 1301011221111 is 1111221101031.

It is not a de Polignac number, because 1301011221111 - 2¹⁷ = 1301011090039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301011221011) 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, 59217426 + ... + 59239391.

It is an arithmetic number, because the mean of its divisors is an integer number (124142745264).

Almost surely, 2^{1301011221111} is an apocalyptic number.

1301011221111 is a deficient number, since it is larger than the sum of its proper divisors (685272703113).

1301011221111 is a wasteful number, since it uses less digits than its factorization.

1301011221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118457350.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1301011221111 its reverse (1111221101031), we get a palindrome (2412232322142).

The spelling of 1301011221111 in words is "one trillion, three hundred one billion, eleven million, two hundred twenty-one thousand, one hundred eleven".