200122011011121 has 8 divisors (see below), whose sum is σ = 270206934698880. Its totient is φ = 131725880665392.

The previous prime is 200122011011119. The next prime is 200122011011123. The reversal of 200122011011121 is 121110110221002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200122011011119) and next prime (200122011011123).

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

It is not a de Polignac number, because 200122011011121 - 2¹ = 200122011011119 is a prime.

It is a super-2 number, since 2×200122011011121² (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 200122011011121.

It is not an unprimeable number, because it can be changed into a prime (200122011011123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422198335230 + ... + 422198335703.

It is an arithmetic number, because the mean of its divisors is an integer number (33775866837360).

Almost surely, 2^{200122011011121} is an apocalyptic number.

It is an amenable number.

200122011011121 is a deficient number, since it is larger than the sum of its proper divisors (70084923687759).

200122011011121 is an equidigital number, since it uses as much as digits as its factorization.

200122011011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844396671015.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200122011011121 its reverse (121110110221002), we get a palindrome (321232121232123).

The spelling of 200122011011121 in words is "two hundred trillion, one hundred twenty-two billion, eleven million, eleven thousand, one hundred twenty-one".