121144324411400 has 48 divisors (see below), whose sum is σ = 283878353955840. Its totient is φ = 48076172827200.

The previous prime is 121144324411399. The next prime is 121144324411403. The reversal of 121144324411400 is 4114423441121.

It is a super-3 number, since 3×121144324411400³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121144324411403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2384705396 + ... + 2384756195.

It is an arithmetic number, because the mean of its divisors is an integer number (5914132374080).

Almost surely, 2^{121144324411400} is an apocalyptic number.

121144324411400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121144324411400 is an abundant number, since it is smaller than the sum of its proper divisors (162734029544440).

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

121144324411400 is a wasteful number, since it uses less digits than its factorization.

121144324411400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769461734 (or 4769461725 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 121144324411400 its reverse (4114423441121), we get a palindrome (125258747852521).

The spelling of 121144324411400 in words is "one hundred twenty-one trillion, one hundred forty-four billion, three hundred twenty-four million, four hundred eleven thousand, four hundred".