1020001322311 has 16 divisors (see below), whose sum is σ = 1100078279136. Its totient is φ = 942258594816.

The previous prime is 1020001322279. The next prime is 1020001322341. The reversal of 1020001322311 is 1132231000201.

It is a cyclic number.

It is not a de Polignac number, because 1020001322311 - 2⁵ = 1020001322279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001322341) 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, 1300966 + ... + 1931971.

It is an arithmetic number, because the mean of its divisors is an integer number (68754892446).

Almost surely, 2^{1020001322311} is an apocalyptic number.

1020001322311 is a deficient number, since it is larger than the sum of its proper divisors (80076956825).

1020001322311 is a wasteful number, since it uses less digits than its factorization.

1020001322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233298.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020001322311 its reverse (1132231000201), we get a palindrome (2152232322512).

The spelling of 1020001322311 in words is "one trillion, twenty billion, one million, three hundred twenty-two thousand, three hundred eleven".