1002112001122 has 4 divisors (see below), whose sum is σ = 1503168001686. Its totient is φ = 501056000560.

The previous prime is 1002112001063. The next prime is 1002112001129. The reversal of 1002112001122 is 2211002112001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 584458721001 + 417653280121 = 764499^2 + 646261^2 .

It is not an unprimeable number, because it can be changed into a prime (1002112001129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250528000279 + ... + 250528000282.

Almost surely, 2^{1002112001122} is an apocalyptic number.

1002112001122 is a deficient number, since it is larger than the sum of its proper divisors (501056000564).

1002112001122 is an equidigital number, since it uses as much as digits as its factorization.

1002112001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501056000563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002112001122 its reverse (2211002112001), we get a palindrome (3213114113123).

The spelling of 1002112001122 in words is "one trillion, two billion, one hundred twelve million, one thousand, one hundred twenty-two".