1121656201116 has 48 divisors (see below), whose sum is σ = 2855194245120. Its totient is φ = 339887560320.

The previous prime is 1121656201031. The next prime is 1121656201121. The reversal of 1121656201116 is 6111026561211.

It is a super-2 number, since 2×1121656201116² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7418400 + ... + 7568088.

It is an arithmetic number, because the mean of its divisors is an integer number (59483213440).

Almost surely, 2^{1121656201116} is an apocalyptic number.

It is an amenable number.

1121656201116 is an abundant number, since it is smaller than the sum of its proper divisors (1733538044004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121656201116 is a wasteful number, since it uses less digits than its factorization.

1121656201116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206474 (or 206472 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 1121656201116 in words is "one trillion, one hundred twenty-one billion, six hundred fifty-six million, two hundred one thousand, one hundred sixteen".