1211001201122 has 8 divisors (see below), whose sum is σ = 1816722516672. Its totient is φ = 605427028900.

The previous prime is 1211001201121. The next prime is 1211001201173. The reversal of 1211001201122 is 2211021001121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1211001201097 and 1211001201106.

It is not an unprimeable number, because it can be changed into a prime (1211001201121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36765254 + ... + 36798177.

It is an arithmetic number, because the mean of its divisors is an integer number (227090314584).

Almost surely, 2^{1211001201122} is an apocalyptic number.

1211001201122 is a deficient number, since it is larger than the sum of its proper divisors (605721315550).

1211001201122 is an equidigital number, since it uses as much as digits as its factorization.

1211001201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73571664.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1211001201122 its reverse (2211021001121), we get a palindrome (3422022202243).

The spelling of 1211001201122 in words is "one trillion, two hundred eleven billion, one million, two hundred one thousand, one hundred twenty-two".