200121001112322 has 64 divisors (see below), whose sum is σ = 460673476053120. Its totient is φ = 65155674719520.

The previous prime is 200121001112243. The next prime is 200121001112327. The reversal of 200121001112322 is 223211100121002.

200121001112322 is a `hidden beast` number, since 20 + 0 + 1 + 210 + 0 + 1 + 112 + 322 = 666.

It is a super-2 number, since 2×200121001112322² (a number of 29 digits) contains 22 as substring.

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 = 200121001112295 and 200121001112304.

It is not an unprimeable number, because it can be changed into a prime (200121001112327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531816579 + ... + 532192742.

It is an arithmetic number, because the mean of its divisors is an integer number (7198023063330).

Almost surely, 2^{200121001112322} is an apocalyptic number.

200121001112322 is an abundant number, since it is smaller than the sum of its proper divisors (260552474940798).

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

200121001112322 is an equidigital number, since it uses as much as digits as its factorization.

200121001112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064009387 (or 1064009369 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 200121001112322 its reverse (223211100121002), we get a palindrome (423332101233324).

The spelling of 200121001112322 in words is "two hundred trillion, one hundred twenty-one billion, one million, one hundred twelve thousand, three hundred twenty-two".