1311101022 has 32 divisors (see below), whose sum is σ = 3269240064. Its totient is φ = 340545600.

The previous prime is 1311101017. The next prime is 1311101069. The reversal of 1311101022 is 2201011131.

It is a junction number, because it is equal to n+sod(n) for n = 1311100989 and 1311101007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418479 + ... + 1419402.

It is an arithmetic number, because the mean of its divisors is an integer number (102163752).

Almost surely, 2^1311101022 is an apocalyptic number.

1311101022 is an abundant number, since it is smaller than the sum of its proper divisors (1958139042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311101022 is a wasteful number, since it uses less digits than its factorization.

1311101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837904.

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

The square root of 1311101022 is about 36209.1289870386. The cubic root of 1311101022 is about 1094.4906402696.

Adding to 1311101022 its reverse (2201011131), we get a palindrome (3512112153).

The spelling of 1311101022 in words is "one billion, three hundred eleven million, one hundred one thousand, twenty-two".