121101122201 has 4 divisors (see below), whose sum is σ = 121189325412. Its totient is φ = 121012918992.

The previous prime is 121101122173. The next prime is 121101122213. The reversal of 121101122201 is 102221101121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119751294601 + 1349827600 = 346051^2 + 36740^2 .

It is a cyclic number.

It is not a de Polignac number, because 121101122201 - 2¹⁴ = 121101105817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101122221) 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, 44099546 + ... + 44102291.

It is an arithmetic number, because the mean of its divisors is an integer number (30297331353).

Almost surely, 2^121101122201 is an apocalyptic number.

It is an amenable number.

121101122201 is a deficient number, since it is larger than the sum of its proper divisors (88203211).

121101122201 is an equidigital number, since it uses as much as digits as its factorization.

121101122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88203210.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121101122201 its reverse (102221101121), we get a palindrome (223322223322).

It can be divided in two parts, 12110 and 1122201, that added together give a palindrome (1134311).

The spelling of 121101122201 in words is "one hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred one".