2200020010121 has 4 divisors (see below), whose sum is σ = 2200022992644. Its totient is φ = 2200017027600.

The previous prime is 2200020010099. The next prime is 2200020010171. The reversal of 2200020010121 is 1210100200022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1851406520896 + 348613489225 = 1360664^2 + 590435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200020010121 - 2³⁰ = 2198946268297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2200020010171) 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, 514031 + ... + 2159691.

It is an arithmetic number, because the mean of its divisors is an integer number (550005748161).

Almost surely, 2^{2200020010121} is an apocalyptic number.

It is an amenable number.

2200020010121 is a deficient number, since it is larger than the sum of its proper divisors (2982523).

2200020010121 is a wasteful number, since it uses less digits than its factorization.

2200020010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982522.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2200020010121 its reverse (1210100200022), we get a palindrome (3410120210143).

The spelling of 2200020010121 in words is "two trillion, two hundred billion, twenty million, ten thousand, one hundred twenty-one".