1112121111002 has 12 divisors (see below), whose sum is σ = 1833621171018. Its totient is φ = 505509595800.

The previous prime is 1112121110941. The next prime is 1112121111071. The reversal of 1112121111002 is 2001111212111.

It can be written as a sum of positive squares in only one way, i.e., 641263022521 + 470858088481 = 800789^2 + 686191^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2297770649 + ... + 2297771132.

Almost surely, 2^{1112121111002} is an apocalyptic number.

1112121111002 is a deficient number, since it is larger than the sum of its proper divisors (721500060016).

1112121111002 is a wasteful number, since it uses less digits than its factorization.

1112121111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595541805 (or 4595541794 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1112121111002 its reverse (2001111212111), we get a palindrome (3113232323113).

The spelling of 1112121111002 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, two".