1000020002122 has 8 divisors (see below), whose sum is σ = 1500168453156. Its totient is φ = 499963851072.

The previous prime is 1000020002057. The next prime is 1000020002123. The reversal of 1000020002122 is 2212000200001.

1000020002122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 869185154601 + 130834847521 = 932301^2 + 361711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000020002099 and 1000020002108.

It is not an unprimeable number, because it can be changed into a prime (1000020002123) 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, 23047903 + ... + 23091250.

Almost surely, 2^{1000020002122} is an apocalyptic number.

1000020002122 is a deficient number, since it is larger than the sum of its proper divisors (500148451034).

1000020002122 is a wasteful number, since it uses less digits than its factorization.

1000020002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46149992.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1000020002122 its reverse (2212000200001), we get a palindrome (3212020202123).

The spelling of 1000020002122 in words is "one trillion, twenty million, two thousand, one hundred twenty-two".