200121111101101 has 8 divisors (see below), whose sum is σ = 200935976651424. Its totient is φ = 199306384998000.

The previous prime is 200121111101083. The next prime is 200121111101143. The reversal of 200121111101101 is 101101111121002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121111101101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121111101161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31985275 + ... + 37726648.

It is an arithmetic number, because the mean of its divisors is an integer number (25116997081428).

Almost surely, 2^{200121111101101} is an apocalyptic number.

It is an amenable number.

200121111101101 is a deficient number, since it is larger than the sum of its proper divisors (814865550323).

200121111101101 is a wasteful number, since it uses less digits than its factorization.

200121111101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69723611.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 200121111101101 its reverse (101101111121002), we get a palindrome (301222222222103).

The spelling of 200121111101101 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven million, one hundred one thousand, one hundred one".