210122120201 has 16 divisors (see below), whose sum is σ = 246261738240. Its totient is φ = 175522513920.

The previous prime is 210122120113. The next prime is 210122120267. The reversal of 210122120201 is 102021221012.

It is a cyclic number.

It is not a de Polignac number, because 210122120201 - 2¹⁰ = 210122119177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210122120101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127421 + ... + 660666.

It is an arithmetic number, because the mean of its divisors is an integer number (15391358640).

Almost surely, 2^210122120201 is an apocalyptic number.

It is an amenable number.

210122120201 is a deficient number, since it is larger than the sum of its proper divisors (36139618039).

210122120201 is an equidigital number, since it uses as much as digits as its factorization.

210122120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789064.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210122120201 its reverse (102021221012), we get a palindrome (312143341213).

The spelling of 210122120201 in words is "two hundred ten billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".