211020002202111 has 16 divisors (see below), whose sum is σ = 287910399832704. Its totient is φ = 137404965315744.

The previous prime is 211020002202109. The next prime is 211020002202179. The reversal of 211020002202111 is 111202200020112.

It is not a de Polignac number, because 211020002202111 - 2¹ = 211020002202109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020002202811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15060741 + ... + 25472846.

It is an arithmetic number, because the mean of its divisors is an integer number (17994399989544).

Almost surely, 2^{211020002202111} is an apocalyptic number.

211020002202111 is a deficient number, since it is larger than the sum of its proper divisors (76890397630593).

211020002202111 is a wasteful number, since it uses less digits than its factorization.

211020002202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40573990.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211020002202111 its reverse (111202200020112), we get a palindrome (322222202222223).

The spelling of 211020002202111 in words is "two hundred eleven trillion, twenty billion, two million, two hundred two thousand, one hundred eleven".