1100120121332 has 12 divisors (see below), whose sum is σ = 1925476580580. Its totient is φ = 549983955456.

The previous prime is 1100120121259. The next prime is 1100120121337. The reversal of 1100120121332 is 2331210210011.

It can be written as a sum of positive squares in 2 ways, for example, as 524819109136 + 575301012196 = 724444^2 + 758486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1100120121332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100120121337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18993773 + ... + 19051604.

It is an arithmetic number, because the mean of its divisors is an integer number (160456381715).

Almost surely, 2^{1100120121332} is an apocalyptic number.

It is an amenable number.

1100120121332 is a deficient number, since it is larger than the sum of its proper divisors (825356459248).

1100120121332 is a wasteful number, since it uses less digits than its factorization.

1100120121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38052610 (or 38052608 counting only the distinct ones).

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

Adding to 1100120121332 its reverse (2331210210011), we get a palindrome (3431330331343).

The spelling of 1100120121332 in words is "one trillion, one hundred billion, one hundred twenty million, one hundred twenty-one thousand, three hundred thirty-two".