1131022121300 has 18 divisors (see below), whose sum is σ = 2454318003438. Its totient is φ = 452408848480.

The previous prime is 1131022121269. The next prime is 1131022121371. The reversal of 1131022121300 is 31212201311.

It can be written as a sum of positive squares in 3 ways, for example, as 125518569796 + 1005503551504 = 354286^2 + 1002748^2 .

It is a super-2 number, since 2×1131022121300² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5655110507 + ... + 5655110706.

It is an arithmetic number, because the mean of its divisors is an integer number (136351000191).

Almost surely, 2^{1131022121300} is an apocalyptic number.

1131022121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131022121300 is an abundant number, since it is smaller than the sum of its proper divisors (1323295882138).

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

1131022121300 is a wasteful number, since it uses less digits than its factorization.

1131022121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310221227 (or 11310221220 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1131022121300 its reverse (31212201311), we get a palindrome (1162234322611).

The spelling of 1131022121300 in words is "one trillion, one hundred thirty-one billion, twenty-two million, one hundred twenty-one thousand, three hundred".