1220110022001 has 24 divisors (see below), whose sum is σ = 1782802871136. Its totient is φ = 741790682880.

The previous prime is 1220110021969. The next prime is 1220110022023. The reversal of 1220110022001 is 1002200110221.

It is not a de Polignac number, because 1220110022001 - 2⁵ = 1220110021969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220110022071) 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 23 ways as a sum of consecutive naturals, for example, 14455080 + ... + 14539241.

It is an arithmetic number, because the mean of its divisors is an integer number (74283452964).

Almost surely, 2^{1220110022001} is an apocalyptic number.

It is an amenable number.

1220110022001 is a deficient number, since it is larger than the sum of its proper divisors (562692849135).

1220110022001 is a wasteful number, since it uses less digits than its factorization.

1220110022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28994433 (or 28994420 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220110022001 its reverse (1002200110221), we get a palindrome (2222310132222).

The spelling of 1220110022001 in words is "one trillion, two hundred twenty billion, one hundred ten million, twenty-two thousand, one".