1121121223201 has 8 divisors (see below), whose sum is σ = 1282264740224. Its totient is φ = 960223541760.

The previous prime is 1121121223151. The next prime is 1121121223297. The reversal of 1121121223201 is 1023221211211.

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

It is not a de Polignac number, because 1121121223201 - 2¹¹ = 1121121221153 is a prime.

It is a super-2 number, since 2×1121121223201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121121223501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61449120 + ... + 61467361.

It is an arithmetic number, because the mean of its divisors is an integer number (160283092528).

Almost surely, 2^{1121121223201} is an apocalyptic number.

It is an amenable number.

1121121223201 is a deficient number, since it is larger than the sum of its proper divisors (161143517023).

1121121223201 is a wasteful number, since it uses less digits than its factorization.

1121121223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122917791.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121121223201 its reverse (1023221211211), we get a palindrome (2144342434412).

The spelling of 1121121223201 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred one".