121526102201 has 16 divisors (see below), whose sum is σ = 140154963840. Its totient is φ = 103218554880.

The previous prime is 121526102183. The next prime is 121526102231. The reversal of 121526102201 is 102201625121.

It is a de Polignac number, because none of the positive numbers 2^k-121526102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121526102231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 158585 + ... + 517881.

It is an arithmetic number, because the mean of its divisors is an integer number (8759685240).

Almost surely, 2^121526102201 is an apocalyptic number.

It is an amenable number.

121526102201 is a deficient number, since it is larger than the sum of its proper divisors (18628861639).

121526102201 is a wasteful number, since it uses less digits than its factorization.

121526102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359744.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 121526102201 its reverse (102201625121), we get a palindrome (223727727322).

The spelling of 121526102201 in words is "one hundred twenty-one billion, five hundred twenty-six million, one hundred two thousand, two hundred one".