121401602144361 has 96 divisors (see below), whose sum is σ = 226500987398400. Its totient is φ = 60801136381440.

The previous prime is 121401602144351. The next prime is 121401602144363. The reversal of 121401602144361 is 163441206104121.

121401602144361 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 0 + 1 + 6 + 0 + 214 + 436 + 1 = 666.

It is not a de Polignac number, because 121401602144361 - 2²³ = 121401593755753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121401602144363) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9144235 + ... + 18067103.

It is an arithmetic number, because the mean of its divisors is an integer number (2359385285400).

Almost surely, 2^{121401602144361} is an apocalyptic number.

121401602144361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121401602144361 is a deficient number, since it is larger than the sum of its proper divisors (105099385254039).

121401602144361 is a wasteful number, since it uses less digits than its factorization.

121401602144361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923599 (or 8923596 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 121401602144361 its reverse (163441206104121), we get a palindrome (284842808248482).

The spelling of 121401602144361 in words is "one hundred twenty-one trillion, four hundred one billion, six hundred two million, one hundred forty-four thousand, three hundred sixty-one".