121122131330 has 16 divisors (see below), whose sum is σ = 219149476344. Its totient is φ = 48197821440.

The previous prime is 121122131309. The next prime is 121122131341. The reversal of 121122131330 is 33131221121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83178597649 + 37943533681 = 288407^2 + 194791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31376861 + ... + 31380720.

Almost surely, 2^121122131330 is an apocalyptic number.

121122131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122131330 is a deficient number, since it is larger than the sum of its proper divisors (98027345014).

121122131330 is a wasteful number, since it uses less digits than its factorization.

121122131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62757781.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121122131330 its reverse (33131221121), we get a palindrome (154253352451).

The spelling of 121122131330 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty".