11221121243039 has 16 divisors (see below), whose sum is σ = 12007198874880. Its totient is φ = 10456029118080.

The previous prime is 11221121243029. The next prime is 11221121243071. The reversal of 11221121243039 is 93034212112211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221121243039 is a prime.

It is a super-2 number, since 2×11221121243039² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221121242996 and 11221121243014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221121243029) 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, 19666907 + ... + 20229420.

It is an arithmetic number, because the mean of its divisors is an integer number (750449929680).

Almost surely, 2^{11221121243039} is an apocalyptic number.

11221121243039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11221121243039 is a deficient number, since it is larger than the sum of its proper divisors (786077631841).

11221121243039 is a wasteful number, since it uses less digits than its factorization.

11221121243039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39896590.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11221121243039 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred forty-three thousand, thirty-nine".