211220122010 has 16 divisors (see below), whose sum is σ = 380266893216. Its totient is φ = 84472343568.

The previous prime is 211220121941. The next prime is 211220122019. The reversal of 211220122010 is 10221022112.

211220122010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211220122010² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220122019) 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, 1906592 + ... + 2014331.

It is an arithmetic number, because the mean of its divisors is an integer number (23766680826).

Almost surely, 2^211220122010 is an apocalyptic number.

211220122010 is a deficient number, since it is larger than the sum of its proper divisors (169046771206).

211220122010 is a wasteful number, since it uses less digits than its factorization.

211220122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926317.

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

Adding to 211220122010 its reverse (10221022112), we get a palindrome (221441144122).

The spelling of 211220122010 in words is "two hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, ten".