212210121101 has 8 divisors (see below), whose sum is σ = 234291131424. Its totient is φ = 190593974320.

The previous prime is 212210121089. The next prime is 212210121119. The reversal of 212210121101 is 101121012212.

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

It is a cyclic number.

It is not a de Polignac number, because 212210121101 - 2¹⁰ = 212210120077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210121131) 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, 116214926 + ... + 116216751.

It is an arithmetic number, because the mean of its divisors is an integer number (29286391428).

Almost surely, 2^212210121101 is an apocalyptic number.

It is an amenable number.

212210121101 is a deficient number, since it is larger than the sum of its proper divisors (22081010323).

212210121101 is a wasteful number, since it uses less digits than its factorization.

212210121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232431771.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212210121101 its reverse (101121012212), we get a palindrome (313331133313).

The spelling of 212210121101 in words is "two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, one hundred one".