121222110111201 has 96 divisors (see below), whose sum is σ = 194749827891840. Its totient is φ = 72039810585600.

The previous prime is 121222110111187. The next prime is 121222110111217. The reversal of 121222110111201 is 102111011222121.

It is a happy number.

121222110111201 is a `hidden beast` number, since 1 + 21 + 222 + 110 + 111 + 201 = 666.

It is not a de Polignac number, because 121222110111201 - 2⁵ = 121222110111169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222110111301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3984015750 + ... + 3984046176.

It is an arithmetic number, because the mean of its divisors is an integer number (2028644040540).

Almost surely, 2^{121222110111201} is an apocalyptic number.

121222110111201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121222110111201 is a deficient number, since it is larger than the sum of its proper divisors (73527717780639).

121222110111201 is a wasteful number, since it uses less digits than its factorization.

121222110111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32527 (or 32524 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121222110111201 its reverse (102111011222121), we get a palindrome (223333121333322).

The spelling of 121222110111201 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, two hundred one".