1131022200020 has 24 divisors (see below), whose sum is σ = 2375335906944. Its totient is φ = 452372825376.

The previous prime is 1131022200017. The next prime is 1131022200037. The reversal of 1131022200020 is 200022201311.

It is a happy number.

It is a super-2 number, since 2×1131022200020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131022199968 and 1131022200004.

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 7 ways as a sum of consecutive naturals, for example, 1995464 + ... + 2498783.

It is an arithmetic number, because the mean of its divisors is an integer number (98972329456).

Almost surely, 2^{1131022200020} is an apocalyptic number.

1131022200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131022200020 is an abundant number, since it is smaller than the sum of its proper divisors (1244313706924).

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

1131022200020 is a wasteful number, since it uses less digits than its factorization.

1131022200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506839 (or 4506837 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1131022200020 its reverse (200022201311), we get a palindrome (1331044401331).

The spelling of 1131022200020 in words is "one trillion, one hundred thirty-one billion, twenty-two million, two hundred thousand, twenty".