210122122101 has 32 divisors (see below), whose sum is σ = 298260480000. Its totient is φ = 131346411840.

The previous prime is 210122122099. The next prime is 210122122141. The reversal of 210122122101 is 101221221012.

It is not a de Polignac number, because 210122122101 - 2¹ = 210122122099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122122141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694650 + ... + 950148.

It is an arithmetic number, because the mean of its divisors is an integer number (9320640000).

Almost surely, 2^210122122101 is an apocalyptic number.

It is an amenable number.

210122122101 is a deficient number, since it is larger than the sum of its proper divisors (88138357899).

210122122101 is a wasteful number, since it uses less digits than its factorization.

210122122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255809.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210122122101 its reverse (101221221012), we get a palindrome (311343343113).

It can be divided in two parts, 2 and 10122122101, that multiplied together give a palindrome (20244244202).

The spelling of 210122122101 in words is "two hundred ten billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred one".