211101202222222 has 32 divisors (see below), whose sum is σ = 341900881174944. Its totient is φ = 97176792182400.

The previous prime is 211101202222147. The next prime is 211101202222249. The reversal of 211101202222222 is 222222202101112.

It is a junction number, because it is equal to n+sod(n) for n = 211101202222193 and 211101202222202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43803688 + ... + 48383524.

It is an arithmetic number, because the mean of its divisors is an integer number (10684402536717).

Almost surely, 2^{211101202222222} is an apocalyptic number.

211101202222222 is a deficient number, since it is larger than the sum of its proper divisors (130799678952722).

211101202222222 is a wasteful number, since it uses less digits than its factorization.

211101202222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584484.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211101202222222 its reverse (222222202101112), we get a palindrome (433323404323334).

The spelling of 211101202222222 in words is "two hundred eleven trillion, one hundred one billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-two".