200021121102122 has 8 divisors (see below), whose sum is σ = 300043327566816. Its totient is φ = 100006678579852.

The previous prime is 200021121102083. The next prime is 200021121102223. The reversal of 200021121102122 is 221201121120002.

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

It is a super-3 number, since 3×200021121102122³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200021121102122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940921198 + ... + 1941024249.

It is an arithmetic number, because the mean of its divisors is an integer number (37505415945852).

Almost surely, 2^{200021121102122} is an apocalyptic number.

200021121102122 is a deficient number, since it is larger than the sum of its proper divisors (100022206464694).

200021121102122 is a wasteful number, since it uses less digits than its factorization.

200021121102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881971212.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200021121102122 its reverse (221201121120002), we get a palindrome (421222242222124).

The spelling of 200021121102122 in words is "two hundred trillion, twenty-one billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-two".