1220511114309 has 16 divisors (see below), whose sum is σ = 1649714330304. Its totient is φ = 802491984000.

The previous prime is 1220511114257. The next prime is 1220511114343. The reversal of 1220511114309 is 9034111150221.

It is not a de Polignac number, because 1220511114309 - 2⁹ = 1220511113797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220511114209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5330239 + ... + 5554499.

It is an arithmetic number, because the mean of its divisors is an integer number (103107145644).

Almost surely, 2^{1220511114309} is an apocalyptic number.

It is an amenable number.

1220511114309 is a deficient number, since it is larger than the sum of its proper divisors (429203215995).

1220511114309 is a wasteful number, since it uses less digits than its factorization.

1220511114309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249188.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 1220511114309 in words is "one trillion, two hundred twenty billion, five hundred eleven million, one hundred fourteen thousand, three hundred nine".