121113223130 has 32 divisors (see below), whose sum is σ = 227938320000. Its totient is φ = 46246064832.

The previous prime is 121113223111. The next prime is 121113223159. The reversal of 121113223130 is 31322311121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412865 + ... + 642404.

It is an arithmetic number, because the mean of its divisors is an integer number (7123072500).

Almost surely, 2^121113223130 is an apocalyptic number.

121113223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121113223130 is a deficient number, since it is larger than the sum of its proper divisors (106825096870).

121113223130 is a wasteful number, since it uses less digits than its factorization.

121113223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055798.

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

Adding to 121113223130 its reverse (31322311121), we get a palindrome (152435534251).

The spelling of 121113223130 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred thirty".