200020021122 has 32 divisors (see below), whose sum is σ = 402552361152. Its totient is φ = 66254739264.

The previous prime is 200020021121. The next prime is 200020021147. The reversal of 200020021122 is 221120020002.

200020021122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200020021122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200020021098 and 200020021107.

It is not an unprimeable number, because it can be changed into a prime (200020021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10863228 + ... + 10881624.

It is an arithmetic number, because the mean of its divisors is an integer number (12579761286).

Almost surely, 2^200020021122 is an apocalyptic number.

200020021122 is an abundant number, since it is smaller than the sum of its proper divisors (202532340030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200020021122 is a wasteful number, since it uses less digits than its factorization.

200020021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29682.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200020021122 its reverse (221120020002), we get a palindrome (421140041124).

The spelling of 200020021122 in words is "two hundred billion, twenty million, twenty-one thousand, one hundred twenty-two".