121442241002 has 16 divisors (see below), whose sum is σ = 184056121032. Its totient is φ = 60090301440.

The previous prime is 121442240981. The next prime is 121442241023. The reversal of 121442241002 is 200142244121.

It is an interprime number because it is at equal distance from previous prime (121442240981) and next prime (121442241023).

It can be written as a sum of positive squares in 4 ways, for example, as 98972530801 + 22469710201 = 314599^2 + 149899^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374638 + ... + 4402310.

Almost surely, 2^121442241002 is an apocalyptic number.

121442241002 is a deficient number, since it is larger than the sum of its proper divisors (62613880030).

121442241002 is a wasteful number, since it uses less digits than its factorization.

121442241002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50393.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 121442241002 its reverse (200142244121), we get a palindrome (321584485123).

The spelling of 121442241002 in words is "one hundred twenty-one billion, four hundred forty-two million, two hundred forty-one thousand, two".