2000221002122 has 12 divisors (see below), whose sum is σ = 3490181544690. Its totient is φ = 857237572296.

The previous prime is 2000221002119. The next prime is 2000221002127. The reversal of 2000221002122 is 2212001220002.

It can be written as a sum of positive squares in only one way, i.e., 1815511013281 + 184709988841 = 1347409^2 + 429779^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2000221002097 and 2000221002106.

It is not an unprimeable number, because it can be changed into a prime (2000221002127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10205209097 + ... + 10205209292.

Almost surely, 2^{2000221002122} is an apocalyptic number.

2000221002122 is a deficient number, since it is larger than the sum of its proper divisors (1489960542568).

2000221002122 is a wasteful number, since it uses less digits than its factorization.

2000221002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410418405 (or 20410418398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2000221002122 its reverse (2212001220002), we get a palindrome (4212222222124).

The spelling of 2000221002122 in words is "two trillion, two hundred twenty-one million, two thousand, one hundred twenty-two".