11220420029 has 8 divisors (see below), whose sum is σ = 13809747840. Its totient is φ = 8877694896.

The previous prime is 11220419993. The next prime is 11220420041. The reversal of 11220420029 is 92002402211.

11220420029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11220420029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220419986 and 11220420013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220620029) 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, 61650569 + ... + 61650750.

It is an arithmetic number, because the mean of its divisors is an integer number (1726218480).

Almost surely, 2^11220420029 is an apocalyptic number.

It is an amenable number.

11220420029 is a deficient number, since it is larger than the sum of its proper divisors (2589327811).

11220420029 is a wasteful number, since it uses less digits than its factorization.

11220420029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123301339.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 11220420029 in words is "eleven billion, two hundred twenty million, four hundred twenty thousand, twenty-nine".