1102012001311 has 16 divisors (see below), whose sum is σ = 1219220069760. Its totient is φ = 989626428000.

The previous prime is 1102012001309. The next prime is 1102012001317. The reversal of 1102012001311 is 1131002102011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102012001311 - 2¹ = 1102012001309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102012001291 and 1102012001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102012001317) 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, 3786781 + ... + 4067398.

It is an arithmetic number, because the mean of its divisors is an integer number (76201254360).

Almost surely, 2^{1102012001311} is an apocalyptic number.

1102012001311 is a deficient number, since it is larger than the sum of its proper divisors (117208068449).

1102012001311 is a wasteful number, since it uses less digits than its factorization.

1102012001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854486.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1102012001311 its reverse (1131002102011), we get a palindrome (2233014103322).

The spelling of 1102012001311 in words is "one trillion, one hundred two billion, twelve million, one thousand, three hundred eleven".