210101100122 has 8 divisors (see below), whose sum is σ = 331738579200. Its totient is φ = 99521573724.

The previous prime is 210101100101. The next prime is 210101100127. The reversal of 210101100122 is 221001101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (210101100127) 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 3 ways as a sum of consecutive naturals, for example, 2764488122 + ... + 2764488197.

It is an arithmetic number, because the mean of its divisors is an integer number (41467322400).

Almost surely, 2^210101100122 is an apocalyptic number.

210101100122 is a deficient number, since it is larger than the sum of its proper divisors (121637479078).

210101100122 is a wasteful number, since it uses less digits than its factorization.

210101100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528976340.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210101100122 its reverse (221001101012), we get a palindrome (431102201134).

The spelling of 210101100122 in words is "two hundred ten billion, one hundred one million, one hundred thousand, one hundred twenty-two".