121000111112201 has 16 divisors (see below), whose sum is σ = 122430182616000. Its totient is φ = 119574620692800.

The previous prime is 121000111112159. The next prime is 121000111112213. The reversal of 121000111112201 is 102211111000121.

It is a cyclic number.

It is not a de Polignac number, because 121000111112201 - 2¹⁰ = 121000111111177 is a prime.

It is a super-2 number, since 2×121000111112201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121000111112261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870015470 + ... + 870154536.

It is an arithmetic number, because the mean of its divisors is an integer number (7651886413500).

Almost surely, 2^{121000111112201} is an apocalyptic number.

It is an amenable number.

121000111112201 is a deficient number, since it is larger than the sum of its proper divisors (1430071503799).

121000111112201 is a wasteful number, since it uses less digits than its factorization.

121000111112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155464.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121000111112201 its reverse (102211111000121), we get a palindrome (223211222112322).

The spelling of 121000111112201 in words is "one hundred twenty-one trillion, one hundred eleven million, one hundred twelve thousand, two hundred one".