200020121202122 has 32 divisors (see below), whose sum is σ = 333533683252224. Its totient is φ = 89338644460800.

The previous prime is 200020121202079. The next prime is 200020121202127. The reversal of 200020121202122 is 221202121020002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200020121202122.

It is not an unprimeable number, because it can be changed into a prime (200020121202127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321509723 + ... + 322131249.

It is an arithmetic number, because the mean of its divisors is an integer number (10422927601632).

Almost surely, 2^{200020121202122} is an apocalyptic number.

200020121202122 is a deficient number, since it is larger than the sum of its proper divisors (133513562050102).

200020121202122 is a wasteful number, since it uses less digits than its factorization.

200020121202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020854.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200020121202122 its reverse (221202121020002), we get a palindrome (421222242222124).

The spelling of 200020121202122 in words is "two hundred trillion, twenty billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-two".