121330103402 has 16 divisors (see below), whose sum is σ = 196336618632. Its totient is φ = 56019225600.

The previous prime is 121330103387. The next prime is 121330103443. The reversal of 121330103402 is 204301033121.

It can be written as a sum of positive squares in 4 ways, for example, as 117531723241 + 3798380161 = 342829^2 + 61631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33663599 + ... + 33667202.

Almost surely, 2^121330103402 is an apocalyptic number.

121330103402 is a deficient number, since it is larger than the sum of its proper divisors (75006515230).

121330103402 is a wasteful number, since it uses less digits than its factorization.

121330103402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67330873.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121330103402 its reverse (204301033121), we get a palindrome (325631136523).

The spelling of 121330103402 in words is "one hundred twenty-one billion, three hundred thirty million, one hundred three thousand, four hundred two".