210201200111101 has 4 divisors (see below), whose sum is σ = 221264421169600. Its totient is φ = 199137979052604.

The previous prime is 210201200111099. The next prime is 210201200111137. The reversal of 210201200111101 is 101111002102012.

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 210201200111101 - 2¹ = 210201200111099 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 (210201200111401) 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, 5531610529221 + ... + 5531610529258.

It is an arithmetic number, because the mean of its divisors is an integer number (55316105292400).

Almost surely, 2^{210201200111101} is an apocalyptic number.

It is an amenable number.

210201200111101 is a deficient number, since it is larger than the sum of its proper divisors (11063221058499).

210201200111101 is a wasteful number, since it uses less digits than its factorization.

210201200111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063221058498.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210201200111101 its reverse (101111002102012), we get a palindrome (311312202213113).

The spelling of 210201200111101 in words is "two hundred ten trillion, two hundred one billion, two hundred million, one hundred eleven thousand, one hundred one".