211020012222 has 16 divisors (see below), whose sum is σ = 422053880832. Its totient is φ = 70337694680.

The previous prime is 211020012211. The next prime is 211020012223. The reversal of 211020012222 is 222210020112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020012223) 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, 373854 + ... + 749537.

It is an arithmetic number, because the mean of its divisors is an integer number (26378367552).

Almost surely, 2^211020012222 is an apocalyptic number.

211020012222 is an abundant number, since it is smaller than the sum of its proper divisors (211033868610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020012222 is a wasteful number, since it uses less digits than its factorization.

211020012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154703.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211020012222 its reverse (222210020112), we get a palindrome (433230032334).

The spelling of 211020012222 in words is "two hundred eleven billion, twenty million, twelve thousand, two hundred twenty-two".