210011120101201 has 4 divisors (see below), whose sum is σ = 210011243283252. Its totient is φ = 210010996919152.

The previous prime is 210011120101117. The next prime is 210011120101259. The reversal of 210011120101201 is 102101021110012.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 119482060716225 + 90529059384976 = 10930785^2 + 9514676^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011120101201 - 2⁷ = 210011120101073 is a prime.

It is a super-2 number, since 2×210011120101201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011120105201) 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, 58997290 + ... + 62455603.

It is an arithmetic number, because the mean of its divisors is an integer number (52502810820813).

Almost surely, 2^{210011120101201} is an apocalyptic number.

It is an amenable number.

210011120101201 is a deficient number, since it is larger than the sum of its proper divisors (123182051).

210011120101201 is a wasteful number, since it uses less digits than its factorization.

210011120101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123182050.

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

Adding to 210011120101201 its reverse (102101021110012), we get a palindrome (312112141211213).

The spelling of 210011120101201 in words is "two hundred ten trillion, eleven billion, one hundred twenty million, one hundred one thousand, two hundred one".