1301122120111 has 8 divisors (see below), whose sum is σ = 1419417693648. Its totient is φ = 1182828504000.

The previous prime is 1301122120099. The next prime is 1301122120187. The reversal of 1301122120111 is 1110212211031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1301122120111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301122120211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134921 + ... + 1972381.

It is an arithmetic number, because the mean of its divisors is an integer number (177427211706).

Almost surely, 2^{1301122120111} is an apocalyptic number.

1301122120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301122120111 is a deficient number, since it is larger than the sum of its proper divisors (118295573537).

1301122120111 is a wasteful number, since it uses less digits than its factorization.

1301122120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978713.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1301122120111 its reverse (1110212211031), we get a palindrome (2411334331142).

It can be divided in two parts, 13011 and 22120111, that added together give a palindrome (22133122).

The spelling of 1301122120111 in words is "one trillion, three hundred one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".