1122121222201 has 8 divisors (see below), whose sum is σ = 1282459535424. Its totient is φ = 961791729360.

The previous prime is 1122121222199. The next prime is 1122121222213. The reversal of 1122121222201 is 1022221212211.

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

It is not a de Polignac number, because 1122121222201 - 2¹ = 1122121222199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122121222601) 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, 1930195 + ... + 2443336.

It is an arithmetic number, because the mean of its divisors is an integer number (160307441928).

Almost surely, 2^{1122121222201} is an apocalyptic number.

It is an amenable number.

1122121222201 is a deficient number, since it is larger than the sum of its proper divisors (160338313223).

1122121222201 is an equidigital number, since it uses as much as digits as its factorization.

1122121222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410191.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122121222201 its reverse (1022221212211), we get a palindrome (2144342434412).

The spelling of 1122121222201 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".