1121023302100 has 36 divisors (see below), whose sum is σ = 2619745227484. Its totient is φ = 413916295680.

The previous prime is 1121023302083. The next prime is 1121023302101. The reversal of 1121023302100 is 12033201211.

It can be written as a sum of positive squares in 6 ways, for example, as 25228874896 + 1095794427204 = 158836^2 + 1046802^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121023302101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431161509 + ... + 431164108.

Almost surely, 2^{1121023302100} is an apocalyptic number.

1121023302100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121023302100 is an abundant number, since it is smaller than the sum of its proper divisors (1498721925384).

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

1121023302100 is a wasteful number, since it uses less digits than its factorization.

1121023302100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862325644 (or 862325637 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1121023302100 its reverse (12033201211), we get a palindrome (1133056503311).

The spelling of 1121023302100 in words is "one trillion, one hundred twenty-one billion, twenty-three million, three hundred two thousand, one hundred".