102001220311 has 12 divisors (see below), whose sum is σ = 112090599720. Its totient is φ = 92690756480.

The previous prime is 102001220297. The next prime is 102001220353. The reversal of 102001220311 is 113022100201.

It is not a de Polignac number, because 102001220311 - 2⁷ = 102001220183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001220291 and 102001220300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001220611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6076885 + ... + 6093646.

It is an arithmetic number, because the mean of its divisors is an integer number (9340883310).

Almost surely, 2^102001220311 is an apocalyptic number.

102001220311 is a deficient number, since it is larger than the sum of its proper divisors (10089379409).

102001220311 is a wasteful number, since it uses less digits than its factorization.

102001220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170594 (or 12170577 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102001220311 its reverse (113022100201), we get a palindrome (215023320512).

The spelling of 102001220311 in words is "one hundred two billion, one million, two hundred twenty thousand, three hundred eleven".