1311130022202 has 192 divisors, whose sum is σ = 3917284809984. Its totient is φ = 305860561920.

The previous prime is 1311130022183. The next prime is 1311130022207. The reversal of 1311130022202 is 2022200311131.

1311130022202 is a `hidden beast` number, since 1 + 311 + 130 + 0 + 2 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1311130022207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 316683 + ... + 1650014.

It is an arithmetic number, because the mean of its divisors is an integer number (20402525052).

Almost surely, 2^{1311130022202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311130022202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958642404992).

1311130022202 is an abundant number, since it is smaller than the sum of its proper divisors (2606154787782).

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

1311130022202 is a wasteful number, since it uses less digits than its factorization.

1311130022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966773 (or 1966770 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1311130022202 its reverse (2022200311131), we get a palindrome (3333330333333).

The spelling of 1311130022202 in words is "one trillion, three hundred eleven billion, one hundred thirty million, twenty-two thousand, two hundred two".