1122121330 has 24 divisors (see below), whose sum is σ = 2220133356. Its totient is φ = 408043680.

The previous prime is 1122121307. The next prime is 1122121337. The reversal of 1122121330 is 331212211.

It can be written as a sum of positive squares in 2 ways, for example, as 1011303601 + 110817729 = 31801^2 + 10527^2 .

It is not an unprimeable number, because it can be changed into a prime (1122121337) 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, 462477 + ... + 464896.

Almost surely, 2^1122121330 is an apocalyptic number.

1122121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122121330 is a deficient number, since it is larger than the sum of its proper divisors (1098012026).

1122121330 is a wasteful number, since it uses less digits than its factorization.

1122121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927402 (or 927391 counting only the distinct ones).

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

The square root of 1122121330 is about 33498.0794971891. The cubic root of 1122121330 is about 1039.1540612348.

Adding to 1122121330 its reverse (331212211), we get a palindrome (1453333541).

The spelling of 1122121330 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, three hundred thirty".