121010200201 has 4 divisors (see below), whose sum is σ = 132011127504. Its totient is φ = 110009272900.

The previous prime is 121010200183. The next prime is 121010200211. The reversal of 121010200201 is 102002010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121010200201 - 2¹⁷ = 121010069129 is a prime.

It is a super-2 number, since 2×121010200201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010200211) 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 3 ways as a sum of consecutive naturals, for example, 5500463635 + ... + 5500463656.

It is an arithmetic number, because the mean of its divisors is an integer number (33002781876).

Almost surely, 2^121010200201 is an apocalyptic number.

121010200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121010200201 is a deficient number, since it is larger than the sum of its proper divisors (11000927303).

121010200201 is a wasteful number, since it uses less digits than its factorization.

121010200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000927302.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121010200201 its reverse (102002010121), we get a palindrome (223012210322).

The spelling of 121010200201 in words is "one hundred twenty-one billion, ten million, two hundred thousand, two hundred one".