210122120101101 has 32 divisors (see below), whose sum is σ = 305367524525952. Its totient is φ = 127740233748480.

The previous prime is 210122120101099. The next prime is 210122120101169. The reversal of 210122120101101 is 101101021221012.

It is a happy number.

It is not a de Polignac number, because 210122120101101 - 2¹ = 210122120101099 is a prime.

It is a super-2 number, since 2×210122120101101² (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 (210122120101601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51379681 + ... + 55318313.

It is an arithmetic number, because the mean of its divisors is an integer number (9542735141436).

Almost surely, 2^{210122120101101} is an apocalyptic number.

It is an amenable number.

210122120101101 is a deficient number, since it is larger than the sum of its proper divisors (95245404424851).

210122120101101 is a wasteful number, since it uses less digits than its factorization.

210122120101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955213.

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

Adding to 210122120101101 its reverse (101101021221012), we get a palindrome (311223141322113).

The spelling of 210122120101101 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred twenty million, one hundred one thousand, one hundred one".