121401303044 has 48 divisors (see below), whose sum is σ = 245498523648. Its totient is φ = 51454061568.

The previous prime is 121401303043. The next prime is 121401303047. The reversal of 121401303044 is 440303104121.

It is a super-2 number, since 2×121401303044² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121401303043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058492 + ... + 1167564.

It is an arithmetic number, because the mean of its divisors is an integer number (5114552576).

Almost surely, 2^121401303044 is an apocalyptic number.

121401303044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121401303044 is an abundant number, since it is smaller than the sum of its proper divisors (124097220604).

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

121401303044 is a wasteful number, since it uses less digits than its factorization.

121401303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109524 (or 109522 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121401303044 its reverse (440303104121), we get a palindrome (561704407165).

The spelling of 121401303044 in words is "one hundred twenty-one billion, four hundred one million, three hundred three thousand, forty-four".