211222021212323 has 16 divisors (see below), whose sum is σ = 236201482391040. Its totient is φ = 187235845620000.

The previous prime is 211222021212317. The next prime is 211222021212329. The reversal of 211222021212323 is 323212120222112.

It is an interprime number because it is at equal distance from previous prime (211222021212317) and next prime (211222021212329).

It is a cyclic number.

It is not a de Polignac number, because 211222021212323 - 2¹² = 211222021208227 is a prime.

It is a super-2 number, since 2×211222021212323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211222021212292 and 211222021212301.

It is not an unprimeable number, because it can be changed into a prime (211222021212329) 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, 759253553 + ... + 759531698.

It is an arithmetic number, because the mean of its divisors is an integer number (14762592649440).

Almost surely, 2^{211222021212323} is an apocalyptic number.

211222021212323 is a deficient number, since it is larger than the sum of its proper divisors (24979461178717).

211222021212323 is a wasteful number, since it uses less digits than its factorization.

211222021212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518785578.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211222021212323 its reverse (323212120222112), we get a palindrome (534434141434435).

The spelling of 211222021212323 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, three hundred twenty-three".