1220552024011 has 8 divisors (see below), whose sum is σ = 1297153478880. Its totient is φ = 1144484377728.

The previous prime is 1220552023997. The next prime is 1220552024023. The reversal of 1220552024011 is 1104202550221.

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 1220552024011 - 2⁵ = 1220552023979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220552021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133447431 + ... + 133456576.

It is an arithmetic number, because the mean of its divisors is an integer number (162144184860).

Almost surely, 2^{1220552024011} is an apocalyptic number.

1220552024011 is a deficient number, since it is larger than the sum of its proper divisors (76601454869).

1220552024011 is a wasteful number, since it uses less digits than its factorization.

1220552024011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266904293.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1220552024011 its reverse (1104202550221), we get a palindrome (2324754574232).

The spelling of 1220552024011 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, twenty-four thousand, eleven".