1122020102021 has 48 divisors (see below), whose sum is σ = 1420596899568. Its totient is φ = 878298624000.

The previous prime is 1122020101957. The next prime is 1122020102033. The reversal of 1122020102021 is 1202010202211.

It can be written as a sum of positive squares in 8 ways, for example, as 105631500100 + 1016388601921 = 325010^2 + 1008161^2 .

It is not a de Polignac number, because 1122020102021 - 2⁶ = 1122020101957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122020101987 and 1122020102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122020102521) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 96049301 + ... + 96060981.

It is an arithmetic number, because the mean of its divisors is an integer number (29595768741).

Almost surely, 2^{1122020102021} is an apocalyptic number.

It is an amenable number.

1122020102021 is a deficient number, since it is larger than the sum of its proper divisors (298576797547).

1122020102021 is a wasteful number, since it uses less digits than its factorization.

1122020102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302 (or 13295 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122020102021 its reverse (1202010202211), we get a palindrome (2324030304232).

The spelling of 1122020102021 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred two thousand, twenty-one".