1210122201121 has 8 divisors (see below), whose sum is σ = 1211133608960. Its totient is φ = 1209111164352.

The previous prime is 1210122201103. The next prime is 1210122201149. The reversal of 1210122201121 is 1211022210121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210122201121 - 2²⁹ = 1209585330209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210122201095 and 1210122201104.

It is not an unprimeable number, because it can be changed into a prime (1210122207121) 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 7 ways as a sum of consecutive naturals, for example, 6634681 + ... + 6814633.

It is an arithmetic number, because the mean of its divisors is an integer number (151391701120).

Almost surely, 2^{1210122201121} is an apocalyptic number.

It is an amenable number.

1210122201121 is a deficient number, since it is larger than the sum of its proper divisors (1011407839).

1210122201121 is a wasteful number, since it uses less digits than its factorization.

1210122201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185535.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210122201121 its reverse (1211022210121), we get a palindrome (2421144411242).

The spelling of 1210122201121 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-one".