1120121022100 has 36 divisors (see below), whose sum is σ = 2434707112348. Its totient is φ = 447302880000.

The previous prime is 1120121022077. The next prime is 1120121022101. The reversal of 1120121022100 is 12201210211.

It can be written as a sum of positive squares in 6 ways, for example, as 157834576656 + 962286445444 = 397284^2 + 980962^2 .

It is a super-2 number, since 2×1120121022100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120121022101) 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 11 ways as a sum of consecutive naturals, for example, 9258711 + ... + 9378910.

Almost surely, 2^{1120121022100} is an apocalyptic number.

1120121022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120121022100 is an abundant number, since it is smaller than the sum of its proper divisors (1314586090248).

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

1120121022100 is a wasteful number, since it uses less digits than its factorization.

1120121022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18638236 (or 18638229 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1120121022100 its reverse (12201210211), we get a palindrome (1132322232311).

The spelling of 1120121022100 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred".