212110022211 has 16 divisors (see below), whose sum is σ = 299826551808. Its totient is φ = 133146655200.

The previous prime is 212110022197. The next prime is 212110022233. The reversal of 212110022211 is 112220011212.

It is not a de Polignac number, because 212110022211 - 2¹¹ = 212110020163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212110022251) 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, 30817545 + ... + 30824426.

It is an arithmetic number, because the mean of its divisors is an integer number (18739159488).

Almost surely, 2^212110022211 is an apocalyptic number.

212110022211 is a deficient number, since it is larger than the sum of its proper divisors (87716529597).

212110022211 is a wasteful number, since it uses less digits than its factorization.

212110022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61642042.

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

Adding to 212110022211 its reverse (112220011212), we get a palindrome (324330033423).

The spelling of 212110022211 in words is "two hundred twelve billion, one hundred ten million, twenty-two thousand, two hundred eleven".