211222221201113 has 8 divisors (see below), whose sum is σ = 220433579636928. Its totient is φ = 202013178065424.

The previous prime is 211222221201071. The next prime is 211222221201139. The reversal of 211222221201113 is 311102122222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211222221201113 - 2⁸ = 211222221200857 is a prime.

It is a super-2 number, since 2×211222221201113² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211222221203113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578638595 + ... + 579003512.

It is an arithmetic number, because the mean of its divisors is an integer number (27554197454616).

Almost surely, 2^{211222221201113} is an apocalyptic number.

211222221201113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

211222221201113 is a deficient number, since it is larger than the sum of its proper divisors (9211358435815).

211222221201113 is a wasteful number, since it uses less digits than its factorization.

211222221201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157650063.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 211222221201113 its reverse (311102122222112), we get a palindrome (522324343423225).

The spelling of 211222221201113 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred thirteen".