211223012122030 has 16 divisors (see below), whose sum is σ = 380210980378320. Its totient is φ = 84487080724672.

The previous prime is 211223012121997. The next prime is 211223012122069. The reversal of 211223012122030 is 30221210322112.

It is a super-2 number, since 2×211223012122030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211223012121992 and 211223012122010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265097839 + ... + 265893418.

It is an arithmetic number, because the mean of its divisors is an integer number (23763186273645).

Almost surely, 2^{211223012122030} is an apocalyptic number.

211223012122030 is a deficient number, since it is larger than the sum of its proper divisors (168987968256290).

211223012122030 is a wasteful number, since it uses less digits than its factorization.

211223012122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531031043.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211223012122030 its reverse (30221210322112), we get a palindrome (241444222444142).

The spelling of 211223012122030 in words is "two hundred eleven trillion, two hundred twenty-three billion, twelve million, one hundred twenty-two thousand, thirty".