211122210101 has 8 divisors (see below), whose sum is σ = 230331894624. Its totient is φ = 191915318320.

The previous prime is 211122210097. The next prime is 211122210107. The reversal of 211122210101 is 101012221112.

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

It is not a de Polignac number, because 211122210101 - 2² = 211122210097 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 (211122210107) 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, 538526 + ... + 843951.

It is an arithmetic number, because the mean of its divisors is an integer number (28791486828).

Almost surely, 2^211122210101 is an apocalyptic number.

It is an amenable number.

211122210101 is a deficient number, since it is larger than the sum of its proper divisors (19209684523).

211122210101 is a wasteful number, since it uses less digits than its factorization.

211122210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396371.

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

Adding to 211122210101 its reverse (101012221112), we get a palindrome (312134431213).

The spelling of 211122210101 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, one hundred one".