121100213201 has 16 divisors (see below), whose sum is σ = 139891779648. Its totient is φ = 103606771200.

The previous prime is 121100213137. The next prime is 121100213231. The reversal of 121100213201 is 102312001121.

It is a cyclic number.

It is not a de Polignac number, because 121100213201 - 2⁶ = 121100213137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100213231) 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, 3716486 + ... + 3748928.

It is an arithmetic number, because the mean of its divisors is an integer number (8743236228).

Almost surely, 2^121100213201 is an apocalyptic number.

121100213201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121100213201 is a deficient number, since it is larger than the sum of its proper divisors (18791566447).

121100213201 is a wasteful number, since it uses less digits than its factorization.

121100213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52432.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121100213201 its reverse (102312001121), we get a palindrome (223412214322).

The spelling of 121100213201 in words is "one hundred twenty-one billion, one hundred million, two hundred thirteen thousand, two hundred one".