211222100010005 has 48 divisors (see below), whose sum is σ = 304389858092544. Its totient is φ = 140152095135360.

The previous prime is 211222100009953. The next prime is 211222100010011. The reversal of 211222100010005 is 500010001222112.

It is not a de Polignac number, because 211222100010005 - 2¹² = 211222100005909 is a prime.

It is a super-2 number, since 2×211222100010005² (a number of 29 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 47 ways as a sum of consecutive naturals, for example, 76515314 + ... + 79227756.

It is an arithmetic number, because the mean of its divisors is an integer number (6341455376928).

Almost surely, 2^{211222100010005} is an apocalyptic number.

It is an amenable number.

211222100010005 is a deficient number, since it is larger than the sum of its proper divisors (93167758082539).

211222100010005 is a wasteful number, since it uses less digits than its factorization.

211222100010005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722746 (or 2722739 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 211222100010005 its reverse (500010001222112), we get a palindrome (711232101232117).

The spelling of 211222100010005 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, ten thousand, five".