200122012001111 has 4 divisors (see below), whose sum is σ = 201893003257872. Its totient is φ = 198351020744352.

The previous prime is 200122012000997. The next prime is 200122012001203. The reversal of 200122012001111 is 111100210221002.

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 200122012001111 - 2¹⁰ = 200122012000087 is a prime.

It is a super-2 number, since 2×200122012001111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122012000111) 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, 885495628211 + ... + 885495628436.

It is an arithmetic number, because the mean of its divisors is an integer number (50473250814468).

Almost surely, 2^{200122012001111} is an apocalyptic number.

200122012001111 is a deficient number, since it is larger than the sum of its proper divisors (1770991256761).

200122012001111 is a wasteful number, since it uses less digits than its factorization.

200122012001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770991256760.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200122012001111 its reverse (111100210221002), we get a palindrome (311222222222113).

The spelling of 200122012001111 in words is "two hundred trillion, one hundred twenty-two billion, twelve million, one thousand, one hundred eleven".