1116221021061 has 8 divisors (see below), whose sum is σ = 1489388230464. Its totient is φ = 743600579520.

The previous prime is 1116221021053. The next prime is 1116221021077. The reversal of 1116221021061 is 1601201226111.

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

It is not a de Polignac number, because 1116221021061 - 2³ = 1116221021053 is a prime.

It is a super-2 number, since 2×1116221021061² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116221021021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136687201 + ... + 136695366.

It is an arithmetic number, because the mean of its divisors is an integer number (186173528808).

Almost surely, 2^{1116221021061} is an apocalyptic number.

It is an amenable number.

1116221021061 is a deficient number, since it is larger than the sum of its proper divisors (373167209403).

1116221021061 is a wasteful number, since it uses less digits than its factorization.

1116221021061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273383931.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 1116221021061 its reverse (1601201226111), we get a palindrome (2717422247172).

The spelling of 1116221021061 in words is "one trillion, one hundred sixteen billion, two hundred twenty-one million, twenty-one thousand, sixty-one".