211010022122111 has 8 divisors (see below), whose sum is σ = 211803415736880. Its totient is φ = 210217431947328.

The previous prime is 211010022122101. The next prime is 211010022122167. The reversal of 211010022122111 is 111221220010112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211010022122111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211010022122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010022122101) 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, 200333741 + ... + 201384278.

It is an arithmetic number, because the mean of its divisors is an integer number (26475426967110).

Almost surely, 2^{211010022122111} is an apocalyptic number.

211010022122111 is a deficient number, since it is larger than the sum of its proper divisors (793393614769).

211010022122111 is a wasteful number, since it uses less digits than its factorization.

211010022122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401719993.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211010022122111 its reverse (111221220010112), we get a palindrome (322231242132223).

The spelling of 211010022122111 in words is "two hundred eleven trillion, ten billion, twenty-two million, one hundred twenty-two thousand, one hundred eleven".