211220010110005 has 32 divisors (see below), whose sum is σ = 284856120299520. Its totient is φ = 149182066894080.

The previous prime is 211220010109993. The next prime is 211220010110017. The reversal of 211220010110005 is 500011010022112.

It is an interprime number because it is at equal distance from previous prime (211220010109993) and next prime (211220010110017).

It is not a de Polignac number, because 211220010110005 - 2³⁷ = 211082571156533 is a prime.

It is a super-2 number, since 2×211220010110005² (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 31 ways as a sum of consecutive naturals, for example, 9095475 + ... + 22475935.

It is an arithmetic number, because the mean of its divisors is an integer number (8901753759360).

Almost surely, 2^{211220010110005} is an apocalyptic number.

It is an amenable number.

211220010110005 is a deficient number, since it is larger than the sum of its proper divisors (73636110189515).

211220010110005 is a wasteful number, since it uses less digits than its factorization.

211220010110005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13391061.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 211220010110005 its reverse (500011010022112), we get a palindrome (711231020132117).

The spelling of 211220010110005 in words is "two hundred eleven trillion, two hundred twenty billion, ten million, one hundred ten thousand, five".