212210122101 has 8 divisors (see below), whose sum is σ = 282953964864. Its totient is φ = 141469847040.

The previous prime is 212210122099. The next prime is 212210122133. The reversal of 212210122101 is 101221012212.

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

It is not a de Polignac number, because 212210122101 - 2¹ = 212210122099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210122301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749905 + ... + 993366.

It is an arithmetic number, because the mean of its divisors is an integer number (35369245608).

Almost surely, 2^212210122101 is an apocalyptic number.

It is an amenable number.

212210122101 is a deficient number, since it is larger than the sum of its proper divisors (70743842763).

212210122101 is a wasteful number, since it uses less digits than its factorization.

212210122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783851.

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

Adding to 212210122101 its reverse (101221012212), we get a palindrome (313431134313).

The spelling of 212210122101 in words is "two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".