211020222101 has 8 divisors (see below), whose sum is σ = 239213207520. Its totient is φ = 184535902512.

The previous prime is 211020222067. The next prime is 211020222143. The reversal of 211020222101 is 101222020112.

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

It is a de Polignac number, because none of the positive numbers 2^k-211020222101 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 (211020222901) 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, 427166195 + ... + 427166688.

It is an arithmetic number, because the mean of its divisors is an integer number (29901650940).

Almost surely, 2^211020222101 is an apocalyptic number.

It is an amenable number.

211020222101 is a deficient number, since it is larger than the sum of its proper divisors (28192985419).

211020222101 is a wasteful number, since it uses less digits than its factorization.

211020222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854332915.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211020222101 its reverse (101222020112), we get a palindrome (312242242213).

The spelling of 211020222101 in words is "two hundred eleven billion, twenty million, two hundred twenty-two thousand, one hundred one".