121101202021201 has 8 divisors (see below), whose sum is σ = 121599931144608. Its totient is φ = 120602601900000.

The previous prime is 121101202021123. The next prime is 121101202021253. The reversal of 121101202021201 is 102120202101121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121101202021201 - 2²⁷ = 121101067803473 is a prime.

It is a super-2 number, since 2×121101202021201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101202021801) 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 7 ways as a sum of consecutive naturals, for example, 30368955 + ... + 34124416.

It is an arithmetic number, because the mean of its divisors is an integer number (15199991393076).

Almost surely, 2^{121101202021201} is an apocalyptic number.

It is an amenable number.

121101202021201 is a deficient number, since it is larger than the sum of its proper divisors (498729123407).

121101202021201 is an equidigital number, since it uses as much as digits as its factorization.

121101202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64501103.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121101202021201 its reverse (102120202101121), we get a palindrome (223221404122322).

The spelling of 121101202021201 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred two million, twenty-one thousand, two hundred one".