210120122101101 has 16 divisors (see below), whose sum is σ = 280407734077440. Its totient is φ = 139956347023920.

The previous prime is 210120122101037. The next prime is 210120122101151. The reversal of 210120122101101 is 101101221021012.

It is a happy number.

It is not a de Polignac number, because 210120122101101 - 2⁶ = 210120122101037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120122101151) 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, 9996996 + ... + 22807458.

It is an arithmetic number, because the mean of its divisors is an integer number (17525483379840).

Almost surely, 2^{210120122101101} is an apocalyptic number.

It is an amenable number.

210120122101101 is a deficient number, since it is larger than the sum of its proper divisors (70287611976339).

210120122101101 is a wasteful number, since it uses less digits than its factorization.

210120122101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815296.

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

Adding to 210120122101101 its reverse (101101221021012), we get a palindrome (311221343122113).

The spelling of 210120122101101 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twenty-two million, one hundred one thousand, one hundred one".