1121203222001 has 32 divisors (see below), whose sum is σ = 1202593029120. Its totient is φ = 1042979616000.

The previous prime is 1121203221989. The next prime is 1121203222033. The reversal of 1121203222001 is 1002223021211.

It is a cyclic number.

It is not a de Polignac number, because 1121203222001 - 2³⁸ = 846325315057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121203225001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393265226 + ... + 393268076.

It is an arithmetic number, because the mean of its divisors is an integer number (37581032160).

Almost surely, 2^{1121203222001} is an apocalyptic number.

It is an amenable number.

1121203222001 is a deficient number, since it is larger than the sum of its proper divisors (81389807119).

1121203222001 is a wasteful number, since it uses less digits than its factorization.

1121203222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1121203222001 its reverse (1002223021211), we get a palindrome (2123426243212).

The spelling of 1121203222001 in words is "one trillion, one hundred twenty-one billion, two hundred three million, two hundred twenty-two thousand, one".