1001220102311 has 32 divisors (see below), whose sum is σ = 1182771072000. Its totient is φ = 835542449280.

The previous prime is 1001220102307. The next prime is 1001220102353. The reversal of 1001220102311 is 1132010221001.

It is not a de Polignac number, because 1001220102311 - 2² = 1001220102307 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 (1001220102391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25852640 + ... + 25891338.

It is an arithmetic number, because the mean of its divisors is an integer number (36961596000).

Almost surely, 2^{1001220102311} is an apocalyptic number.

1001220102311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001220102311 is a deficient number, since it is larger than the sum of its proper divisors (181550969689).

1001220102311 is a wasteful number, since it uses less digits than its factorization.

1001220102311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39719.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001220102311 its reverse (1132010221001), we get a palindrome (2133230323312).

The spelling of 1001220102311 in words is "one trillion, one billion, two hundred twenty million, one hundred two thousand, three hundred eleven".