1145211131022 has 32 divisors (see below), whose sum is σ = 2647036972800. Its totient is φ = 323526739008.

The previous prime is 1145211130981. The next prime is 1145211131041. The reversal of 1145211131022 is 2201311125411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1145211130983 and 1145211131001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153181272 + ... + 153188747.

It is an arithmetic number, because the mean of its divisors is an integer number (82719905400).

Almost surely, 2^{1145211131022} is an apocalyptic number.

1145211131022 is an abundant number, since it is smaller than the sum of its proper divisors (1501825841778).

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

1145211131022 is a wasteful number, since it uses less digits than its factorization.

1145211131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306370120.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1145211131022 its reverse (2201311125411), we get a palindrome (3346522256433).

The spelling of 1145211131022 in words is "one trillion, one hundred forty-five billion, two hundred eleven million, one hundred thirty-one thousand, twenty-two".