121011210201 has 64 divisors (see below), whose sum is σ = 187635261440. Its totient is φ = 67948865280.

The previous prime is 121011210163. The next prime is 121011210223. The reversal of 121011210201 is 102012110121.

It is not a de Polignac number, because 121011210201 - 2¹⁵ = 121011177433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231378726 + ... + 231379248.

It is an arithmetic number, because the mean of its divisors is an integer number (2931800960).

Almost surely, 2^121011210201 is an apocalyptic number.

It is an amenable number.

121011210201 is a deficient number, since it is larger than the sum of its proper divisors (66624051239).

121011210201 is a wasteful number, since it uses less digits than its factorization.

121011210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121011210201 its reverse (102012110121), we get a palindrome (223023320322).

The spelling of 121011210201 in words is "one hundred twenty-one billion, eleven million, two hundred ten thousand, two hundred one".