121130321444 has 192 divisors, whose sum is σ = 266344243200. Its totient is φ = 47537280000.

The previous prime is 121130321437. The next prime is 121130321471. The reversal of 121130321444 is 444123031121.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 30812159 + ... + 30816089.

It is an arithmetic number, because the mean of its divisors is an integer number (1387209600).

Almost surely, 2^121130321444 is an apocalyptic number.

It is an amenable number.

121130321444 is an abundant number, since it is smaller than the sum of its proper divisors (145213921756).

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

121130321444 is a wasteful number, since it uses less digits than its factorization.

121130321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121130321444 its reverse (444123031121), we get a palindrome (565253352565).

The spelling of 121130321444 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred twenty-one thousand, four hundred forty-four".