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211011212200110 = 235721941271679957
BaseRepresentation
bin101111111110100111100000…
…010110001100100010101110
31000200010110211012000111221120
4233332213200112030202232
5210124201430310400420
62024441113533241410
762306025355603200
oct5776474026144256
91020113735014846
10211011212200110
1161264397266143
121b7bb478033266
13909836c57696a
143a16dd6306770
15195dd44c51d40
hexbfe9e058c8ae

211011212200110 has 384 divisors, whose sum is σ = 637584322959360. Its totient is φ = 44413637990400.

The previous prime is 211011212200099. The next prime is 211011212200127. The reversal of 211011212200110 is 11002212110112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211011212200110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 309990252 + ... + 310670208.

It is an arithmetic number, because the mean of its divisors is an integer number (1660375841040).

Almost surely, 2211011212200110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211011212200110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318792161479680).

211011212200110 is an abundant number, since it is smaller than the sum of its proper divisors (426573110759250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211011212200110 is a wasteful number, since it uses less digits than its factorization.

211011212200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680312 (or 680305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211011212200110 its reverse (11002212110112), we get a palindrome (222013424310222).

The spelling of 211011212200110 in words is "two hundred eleven trillion, eleven billion, two hundred twelve million, two hundred thousand, one hundred ten".