200121202211022 has 80 divisors (see below), whose sum is σ = 450198304495632. Its totient is φ = 66442814006400.

The previous prime is 200121202211011. The next prime is 200121202211027. The reversal of 200121202211022 is 220112202121002.

It is a happy number.

200121202211022 is a `hidden beast` number, since 200 + 1 + 212 + 0 + 221 + 10 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200121202210986 and 200121202211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121202211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64451713 + ... + 67485299.

Almost surely, 2^{200121202211022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200121202211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225099152247816).

200121202211022 is an abundant number, since it is smaller than the sum of its proper divisors (250077102284610).

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

200121202211022 is a wasteful number, since it uses less digits than its factorization.

200121202211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035215 (or 3035206 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200121202211022 its reverse (220112202121002), we get a palindrome (420233404332024).

The spelling of 200121202211022 in words is "two hundred trillion, one hundred twenty-one billion, two hundred two million, two hundred eleven thousand, twenty-two".