200121220120222 has 8 divisors (see below), whose sum is σ = 301492667867400. Its totient is φ = 99623664164424.

The previous prime is 200121220120193. The next prime is 200121220120259. The reversal of 200121220120222 is 222021022121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×200121220120222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200121220120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218472947272 + ... + 218472948187.

It is an arithmetic number, because the mean of its divisors is an integer number (37686583483425).

Almost surely, 2^{200121220120222} is an apocalyptic number.

200121220120222 is a deficient number, since it is larger than the sum of its proper divisors (101371447747178).

200121220120222 is a wasteful number, since it uses less digits than its factorization.

200121220120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436945895690.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200121220120222 its reverse (222021022121002), we get a palindrome (422142242241224).

The spelling of 200121220120222 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty-two".