121112310322201 has 24 divisors (see below), whose sum is σ = 138240614840832. Its totient is φ = 105912392625600.

The previous prime is 121112310322189. The next prime is 121112310322219. The reversal of 121112310322201 is 102223013211121.

It is a happy number.

It is not a de Polignac number, because 121112310322201 - 2¹⁵ = 121112310289433 is a prime.

It is a super-2 number, since 2×121112310322201² (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 (121112310322301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96044260 + ... + 97297093.

It is an arithmetic number, because the mean of its divisors is an integer number (5760025618368).

Almost surely, 2^{121112310322201} is an apocalyptic number.

121112310322201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121112310322201 is a deficient number, since it is larger than the sum of its proper divisors (17128304518631).

121112310322201 is a wasteful number, since it uses less digits than its factorization.

121112310322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193341573 (or 193341562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121112310322201 its reverse (102223013211121), we get a palindrome (223335323533322).

The spelling of 121112310322201 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred ten million, three hundred twenty-two thousand, two hundred one".