1122011121001 has 8 divisors (see below), whose sum is σ = 1133064521280. Its totient is φ = 1110968226768.

The previous prime is 1122011120933. The next prime is 1122011121017. The reversal of 1122011121001 is 1001211102211.

It is a happy number.

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

It is not a de Polignac number, because 1122011121001 - 2¹³ = 1122011112809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122011121031) 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, 2411781 + ... + 2839138.

It is an arithmetic number, because the mean of its divisors is an integer number (141633065160).

Almost surely, 2^{1122011121001} is an apocalyptic number.

It is an amenable number.

1122011121001 is a deficient number, since it is larger than the sum of its proper divisors (11053400279).

1122011121001 is a wasteful number, since it uses less digits than its factorization.

1122011121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253023.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122011121001 its reverse (1001211102211), we get a palindrome (2123222223212).

The spelling of 1122011121001 in words is "one trillion, one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one".