1000121112002 has 4 divisors (see below), whose sum is σ = 1500181668006. Its totient is φ = 500060556000.

The previous prime is 1000121111989. The next prime is 1000121112017. The reversal of 1000121112002 is 2002111210001.

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., 992412447601 + 7708664401 = 996199^2 + 87799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250030277999 + ... + 250030278002.

Almost surely, 2^{1000121112002} is an apocalyptic number.

1000121112002 is a deficient number, since it is larger than the sum of its proper divisors (500060556004).

1000121112002 is an equidigital number, since it uses as much as digits as its factorization.

1000121112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500060556003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000121112002 its reverse (2002111210001), we get a palindrome (3002232322003).

The spelling of 1000121112002 in words is "one trillion, one hundred twenty-one million, one hundred twelve thousand, two".