1301211313121 has 16 divisors (see below), whose sum is σ = 1322123827200. Its totient is φ = 1280477636928.

The previous prime is 1301211313063. The next prime is 1301211313123. The reversal of 1301211313121 is 1213131121031.

It is a cyclic number.

It is not a de Polignac number, because 1301211313121 - 2⁶ = 1301211313057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301211313093 and 1301211313102.

It is not an unprimeable number, because it can be changed into a prime (1301211313123) 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, 18199040 + ... + 18270398.

It is an arithmetic number, because the mean of its divisors is an integer number (82632739200).

Almost surely, 2^{1301211313121} is an apocalyptic number.

It is an amenable number.

1301211313121 is a deficient number, since it is larger than the sum of its proper divisors (20912514079).

1301211313121 is a wasteful number, since it uses less digits than its factorization.

1301211313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72608.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1301211313121 its reverse (1213131121031), we get a palindrome (2514342434152).

The spelling of 1301211313121 in words is "one trillion, three hundred one billion, two hundred eleven million, three hundred thirteen thousand, one hundred twenty-one".