210201121120101 has 4 divisors (see below), whose sum is σ = 280268161493472. Its totient is φ = 140134080746732.

The previous prime is 210201121119971. The next prime is 210201121120103. The reversal of 210201121120101 is 101021121102012.

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 210201121120101 - 2¹³ = 210201121111909 is a prime.

It is a super-2 number, since 2×210201121120101² (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 (210201121120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35033520186681 + ... + 35033520186686.

It is an arithmetic number, because the mean of its divisors is an integer number (70067040373368).

Almost surely, 2^{210201121120101} is an apocalyptic number.

It is an amenable number.

210201121120101 is a deficient number, since it is larger than the sum of its proper divisors (70067040373371).

210201121120101 is an equidigital number, since it uses as much as digits as its factorization.

210201121120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70067040373370.

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

Adding to 210201121120101 its reverse (101021121102012), we get a palindrome (311222242222113).

The spelling of 210201121120101 in words is "two hundred ten trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred one".