121024223444 has 12 divisors (see below), whose sum is σ = 212701372884. Its totient is φ = 60252402624.

The previous prime is 121024223429. The next prime is 121024223459. The reversal of 121024223444 is 444322420121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121024223429) and next prime (121024223459).

It can be written as a sum of positive squares in 2 ways, for example, as 76059020944 + 44965202500 = 275788^2 + 212050^2 .

It is a super-3 number, since 3×121024223444³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64926227 + ... + 64928090.

It is an arithmetic number, because the mean of its divisors is an integer number (17725114407).

Almost surely, 2^121024223444 is an apocalyptic number.

It is an amenable number.

121024223444 is a deficient number, since it is larger than the sum of its proper divisors (91677149440).

121024223444 is a wasteful number, since it uses less digits than its factorization.

121024223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129854554 (or 129854552 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 121024223444 its reverse (444322420121), we get a palindrome (565346643565).

The spelling of 121024223444 in words is "one hundred twenty-one billion, twenty-four million, two hundred twenty-three thousand, four hundred forty-four".