1116221220526 has 16 divisors (see below), whose sum is σ = 1732091695488. Its totient is φ = 538935429600.

The previous prime is 1116221220467. The next prime is 1116221220551. The reversal of 1116221220526 is 6250221226111.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19498065 + ... + 19555228.

It is an arithmetic number, because the mean of its divisors is an integer number (108255730968).

Almost surely, 2^{1116221220526} is an apocalyptic number.

1116221220526 is a deficient number, since it is larger than the sum of its proper divisors (615870474962).

1116221220526 is a wasteful number, since it uses less digits than its factorization.

1116221220526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39053787.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 1116221220526 its reverse (6250221226111), we get a palindrome (7366442446637).

The spelling of 1116221220526 in words is "one trillion, one hundred sixteen billion, two hundred twenty-one million, two hundred twenty thousand, five hundred twenty-six".