1121502120016 has 20 divisors (see below), whose sum is σ = 2208531840724. Its totient is φ = 551558419200.

The previous prime is 1121502119999. The next prime is 1121502120017. The reversal of 1121502120016 is 6100212051211.

It can be written as a sum of positive squares in 2 ways, for example, as 402839012416 + 718663107600 = 634696^2 + 847740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121502120017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574539045 + ... + 574540996.

Almost surely, 2^{1121502120016} is an apocalyptic number.

1121502120016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1121502120016 is a deficient number, since it is larger than the sum of its proper divisors (1087029720708).

1121502120016 is a wasteful number, since it uses less digits than its factorization.

1121502120016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149080110 (or 1149080104 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1121502120016 its reverse (6100212051211), we get a palindrome (7221714171227).

The spelling of 1121502120016 in words is "one trillion, one hundred twenty-one billion, five hundred two million, one hundred twenty thousand, sixteen".