211220311301322 has 16 divisors (see below), whose sum is σ = 422458076953440. Its totient is φ = 70403861375312.

The previous prime is 211220311301269. The next prime is 211220311301323. The reversal of 211220311301322 is 223103113022112.

It is a super-2 number, since 2×211220311301322² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220311301292 and 211220311301301.

It is not an unprimeable number, because it can be changed into a prime (211220311301323) 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, 727107297 + ... + 727397732.

It is an arithmetic number, because the mean of its divisors is an integer number (26403629809590).

Almost surely, 2^{211220311301322} is an apocalyptic number.

211220311301322 is an abundant number, since it is smaller than the sum of its proper divisors (211237765652118).

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

211220311301322 is a wasteful number, since it uses less digits than its factorization.

211220311301322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454529237.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 211220311301322 its reverse (223103113022112), we get a palindrome (434323424323434).

The spelling of 211220311301322 in words is "two hundred eleven trillion, two hundred twenty billion, three hundred eleven million, three hundred one thousand, three hundred twenty-two".