211222211101 has 8 divisors (see below), whose sum is σ = 242551821600. Its totient is φ = 181913865840.

The previous prime is 211222211093. The next prime is 211222211107. The reversal of 211222211101 is 101112222112.

211222211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211222211101 - 2³ = 211222211093 is a prime.

It is a super-2 number, since 2×211222211101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222211107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505316086 + ... + 505316503.

It is an arithmetic number, because the mean of its divisors is an integer number (30318977700).

Almost surely, 2^211222211101 is an apocalyptic number.

It is an amenable number.

211222211101 is a deficient number, since it is larger than the sum of its proper divisors (31329610499).

211222211101 is a wasteful number, since it uses less digits than its factorization.

211222211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010632619.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211222211101 its reverse (101112222112), we get a palindrome (312334433213).

The spelling of 211222211101 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred one".