121101204544 has 14 divisors (see below), whose sum is σ = 240310202894. Its totient is φ = 60550602240.

The previous prime is 121101204541. The next prime is 121101204563. The reversal of 121101204544 is 445402101121.

It can be written as a sum of positive squares in only one way, i.e., 90576921600 + 30524282944 = 300960^2 + 174712^2 .

It is not an unprimeable number, because it can be changed into a prime (121101204541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946103097 + ... + 946103224.

Almost surely, 2^121101204544 is an apocalyptic number.

It is an amenable number.

121101204544 is a deficient number, since it is larger than the sum of its proper divisors (119208998350).

121101204544 is an equidigital number, since it uses as much as digits as its factorization.

121101204544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892206333 (or 1892206323 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 121101204544 its reverse (445402101121), we get a palindrome (566503305665).

The spelling of 121101204544 in words is "one hundred twenty-one billion, one hundred one million, two hundred four thousand, five hundred forty-four".