121122202101201 has 24 divisors (see below), whose sum is σ = 199978025904384. Its totient is φ = 69202211016960.

The previous prime is 121122202101193. The next prime is 121122202101221. The reversal of 121122202101201 is 102101202221121.

121122202101201 is a `hidden beast` number, since 1 + 2 + 112 + 220 + 210 + 120 + 1 = 666.

It is not a de Polignac number, because 121122202101201 - 2³ = 121122202101193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121122202101221) 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, 145079040 + ... + 145911521.

It is an arithmetic number, because the mean of its divisors is an integer number (8332417746016).

Almost surely, 2^{121122202101201} is an apocalyptic number.

It is an amenable number.

121122202101201 is a deficient number, since it is larger than the sum of its proper divisors (78855823803183).

121122202101201 is a wasteful number, since it uses less digits than its factorization.

121122202101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290997181 (or 290997178 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121122202101201 its reverse (102101202221121), we get a palindrome (223223404322322).

The spelling of 121122202101201 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred two million, one hundred one thousand, two hundred one".