1122002220001 has 8 divisors (see below), whose sum is σ = 1213011682344. Its totient is φ = 1031664414720.

The previous prime is 1122002219993. The next prime is 1122002220091. The reversal of 1122002220001 is 1000222002211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110320301025 + 1011681918976 = 332145^2 + 1005824^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1122002220001 - 2³ = 1122002219993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122002220091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167910790 + ... + 167917471.

It is an arithmetic number, because the mean of its divisors is an integer number (151626460293).

Almost surely, 2^{1122002220001} is an apocalyptic number.

It is an amenable number.

1122002220001 is a deficient number, since it is larger than the sum of its proper divisors (91009462343).

1122002220001 is a wasteful number, since it uses less digits than its factorization.

1122002220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335828531.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1122002220001 its reverse (1000222002211), we get a palindrome (2122224222212).

The spelling of 1122002220001 in words is "one trillion, one hundred twenty-two billion, two million, two hundred twenty thousand, one".