1220100012201 has 48 divisors (see below), whose sum is σ = 2027859188544. Its totient is φ = 648282249216.

The previous prime is 1220100012163. The next prime is 1220100012247. The reversal of 1220100012201 is 1022100010221.

It is not a de Polignac number, because 1220100012201 - 2⁷ = 1220100012073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220100012101) 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 47 ways as a sum of consecutive naturals, for example, 2733760 + ... + 3148593.

It is an arithmetic number, because the mean of its divisors is an integer number (42247066428).

Almost surely, 2^{1220100012201} is an apocalyptic number.

It is an amenable number.

1220100012201 is a deficient number, since it is larger than the sum of its proper divisors (807759176343).

1220100012201 is a wasteful number, since it uses less digits than its factorization.

1220100012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882470 (or 5882463 counting only the distinct ones).

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

Adding to 1220100012201 its reverse (1022100010221), we get a palindrome (2242200022422).

The spelling of 1220100012201 in words is "one trillion, two hundred twenty billion, one hundred million, twelve thousand, two hundred one".