211102220021222 has 8 divisors (see below), whose sum is σ = 318311200870272. Its totient is φ = 104998486397800.

The previous prime is 211102220021153. The next prime is 211102220021227. The reversal of 211102220021222 is 222120022201112.

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

It is a super-2 number, since 2×211102220021222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211102220021194 and 211102220021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102220021227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276311805929 + ... + 276311806692.

It is an arithmetic number, because the mean of its divisors is an integer number (39788900108784).

Almost surely, 2^{211102220021222} is an apocalyptic number.

211102220021222 is a deficient number, since it is larger than the sum of its proper divisors (107208980849050).

211102220021222 is a wasteful number, since it uses less digits than its factorization.

211102220021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552623612814.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211102220021222 its reverse (222120022201112), we get a palindrome (433222242222334).

The spelling of 211102220021222 in words is "two hundred eleven trillion, one hundred two billion, two hundred twenty million, twenty-one thousand, two hundred twenty-two".