200012011122111 has 4 divisors (see below), whose sum is σ = 266682681496152. Its totient is φ = 133341340748072.

The previous prime is 200012011122101. The next prime is 200012011122163. The reversal of 200012011122111 is 111221110210002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200012011122111 - 2⁶ = 200012011122047 is a prime.

It is a super-2 number, since 2×200012011122111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012011122101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33335335187016 + ... + 33335335187021.

It is an arithmetic number, because the mean of its divisors is an integer number (66670670374038).

Almost surely, 2^{200012011122111} is an apocalyptic number.

200012011122111 is a deficient number, since it is larger than the sum of its proper divisors (66670670374041).

200012011122111 is an equidigital number, since it uses as much as digits as its factorization.

200012011122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66670670374040.

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

Adding to 200012011122111 its reverse (111221110210002), we get a palindrome (311233121332113).

The spelling of 200012011122111 in words is "two hundred trillion, twelve billion, eleven million, one hundred twenty-two thousand, one hundred eleven".