200121021212022 has 48 divisors (see below), whose sum is σ = 441632525639760. Its totient is φ = 65474076364800.

The previous prime is 200121021212003. The next prime is 200121021212023. The reversal of 200121021212022 is 220212120121002.

It is a happy number.

200121021212022 is a `hidden beast` number, since 200 + 1 + 210 + 21 + 212 + 0 + 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 = 200121021211986 and 200121021212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121021212023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146306679 + ... + 147668162.

It is an arithmetic number, because the mean of its divisors is an integer number (9200677617495).

Almost surely, 2^{200121021212022} is an apocalyptic number.

200121021212022 is an abundant number, since it is smaller than the sum of its proper divisors (241511504427738).

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

200121021212022 is a wasteful number, since it uses less digits than its factorization.

200121021212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293975549 (or 293975546 counting only the distinct ones).

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

Adding to 200121021212022 its reverse (220212120121002), we get a palindrome (420333141333024).

The spelling of 200121021212022 in words is "two hundred trillion, one hundred twenty-one billion, twenty-one million, two hundred twelve thousand, twenty-two".