121033320441 has 16 divisors (see below), whose sum is σ = 176348406528. Its totient is φ = 73228552400.

The previous prime is 121033320431. The next prime is 121033320467. The reversal of 121033320441 is 144023330121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121033320441 - 2²⁶ = 120966211577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121033320431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3104715 + ... + 3143456.

It is an arithmetic number, because the mean of its divisors is an integer number (11021775408).

Almost surely, 2^121033320441 is an apocalyptic number.

121033320441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121033320441 is a deficient number, since it is larger than the sum of its proper divisors (55315086087).

121033320441 is a wasteful number, since it uses less digits than its factorization.

121033320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248772.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121033320441 its reverse (144023330121), we get a palindrome (265056650562).

The spelling of 121033320441 in words is "one hundred twenty-one billion, thirty-three million, three hundred twenty thousand, four hundred forty-one".