211550552222 has 16 divisors (see below), whose sum is σ = 331508685312. Its totient is φ = 101129876760.

The previous prime is 211550552219. The next prime is 211550552251. The reversal of 211550552222 is 222255055112.

It is a super-2 number, since 2×211550552222² (a number of 23 digits) contains 22 as substring.

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, 20549708 + ... + 20559999.

It is an arithmetic number, because the mean of its divisors is an integer number (20719292832).

Almost surely, 2^211550552222 is an apocalyptic number.

211550552222 is a deficient number, since it is larger than the sum of its proper divisors (119958133090).

211550552222 is a wasteful number, since it uses less digits than its factorization.

211550552222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41109823.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 211550552222 in words is "two hundred eleven billion, five hundred fifty million, five hundred fifty-two thousand, two hundred twenty-two".