200111120122101 has 4 divisors (see below), whose sum is σ = 266814826829472. Its totient is φ = 133407413414732.

The previous prime is 200111120122003. The next prime is 200111120122153. The reversal of 200111120122101 is 101221021111002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200111120122101 - 2⁹ = 200111120121589 is a prime.

It is a super-2 number, since 2×200111120122101² (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 (200111120124101) 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, 33351853353681 + ... + 33351853353686.

It is an arithmetic number, because the mean of its divisors is an integer number (66703706707368).

Almost surely, 2^{200111120122101} is an apocalyptic number.

It is an amenable number.

200111120122101 is a deficient number, since it is larger than the sum of its proper divisors (66703706707371).

200111120122101 is an equidigital number, since it uses as much as digits as its factorization.

200111120122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66703706707370.

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

Adding to 200111120122101 its reverse (101221021111002), we get a palindrome (301332141233103).

The spelling of 200111120122101 in words is "two hundred trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, one hundred one".