1301230020111 has 16 divisors (see below), whose sum is σ = 1983138617088. Its totient is φ = 743443041600.

The previous prime is 1301230020107. The next prime is 1301230020133. The reversal of 1301230020111 is 1110200321031.

It is a happy number.

It is not a de Polignac number, because 1301230020111 - 2² = 1301230020107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301230020161) 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, 4736985 + ... + 5004146.

It is an arithmetic number, because the mean of its divisors is an integer number (123946163568).

Almost surely, 2^{1301230020111} is an apocalyptic number.

1301230020111 is a deficient number, since it is larger than the sum of its proper divisors (681908596977).

1301230020111 is an equidigital number, since it uses as much as digits as its factorization.

1301230020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747502.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1301230020111 its reverse (1110200321031), we get a palindrome (2411430341142).

The spelling of 1301230020111 in words is "one trillion, three hundred one billion, two hundred thirty million, twenty thousand, one hundred eleven".