1220002120011 has 8 divisors (see below), whose sum is σ = 1642775132304. Its totient is φ = 805281927200.

The previous prime is 1220002119997. The next prime is 1220002120121. The reversal of 1220002120011 is 1100212000221.

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 1220002120011 - 2¹¹ = 1220002117963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220002120811) 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, 2013204516 + ... + 2013205121.

It is an arithmetic number, because the mean of its divisors is an integer number (205346891538).

Almost surely, 2^{1220002120011} is an apocalyptic number.

1220002120011 is a deficient number, since it is larger than the sum of its proper divisors (422773012293).

1220002120011 is a wasteful number, since it uses less digits than its factorization.

1220002120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026409741.

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

Adding to 1220002120011 its reverse (1100212000221), we get a palindrome (2320214120232).

The spelling of 1220002120011 in words is "one trillion, two hundred twenty billion, two million, one hundred twenty thousand, eleven".