1116221021054 has 64 divisors (see below), whose sum is σ = 1794251036160. Its totient is φ = 518980331520.

The previous prime is 1116221021053. The next prime is 1116221021077. The reversal of 1116221021054 is 4501201226111.

It is a happy number.

It is a super-2 number, since 2×1116221021054² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116221021053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154312879 + ... + 1154313845.

It is an arithmetic number, because the mean of its divisors is an integer number (28035172440).

Almost surely, 2^{1116221021054} is an apocalyptic number.

1116221021054 is a deficient number, since it is larger than the sum of its proper divisors (678030015106).

1116221021054 is a wasteful number, since it uses less digits than its factorization.

1116221021054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 1116221021054 its reverse (4501201226111), we get a palindrome (5617422247165).

The spelling of 1116221021054 in words is "one trillion, one hundred sixteen billion, two hundred twenty-one million, twenty-one thousand, fifty-four".