1220131003011 has 16 divisors (see below), whose sum is σ = 1627640112000. Its totient is φ = 813021390720.

The previous prime is 1220131003001. The next prime is 1220131003019. The reversal of 1220131003011 is 1103001310221.

It is a happy number.

It is not a de Polignac number, because 1220131003011 - 2⁶ = 1220131002947 is a prime.

It is a super-2 number, since 2×1220131003011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220131003019) 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 15 ways as a sum of consecutive naturals, for example, 71717496 + ... + 71734506.

It is an arithmetic number, because the mean of its divisors is an integer number (101727507000).

Almost surely, 2^{1220131003011} is an apocalyptic number.

1220131003011 is a deficient number, since it is larger than the sum of its proper divisors (407509108989).

1220131003011 is a wasteful number, since it uses less digits than its factorization.

1220131003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27346.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1220131003011 its reverse (1103001310221), we get a palindrome (2323132313232).

The spelling of 1220131003011 in words is "one trillion, two hundred twenty billion, one hundred thirty-one million, three thousand, eleven".