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22112211110010 = 235721812272691361
BaseRepresentation
bin1010000011100011001100…
…11111010000100001111010
32220021220111000022100201020
411001301212133100201322
510344241302021010020
6115010113132403310
74441361130151200
oct501614637204172
986256430270636
1022112211110010
11705581078667a
1225915b2916536
13c45232166508
14566345821070
152852c911ec40
hex141c667d087a

22112211110010 has 384 divisors, whose sum is σ = 62625969020160. Its totient is φ = 4981887590400.

The previous prime is 22112211109999. The next prime is 22112211110051. The reversal of 22112211110010 is 1001111221122.

It is a happy number.

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

It is a Curzon 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, 16247031730 + ... + 16247033090.

It is an arithmetic number, because the mean of its divisors is an integer number (163088460990).

Almost surely, 222112211110010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112211110010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31312984510080).

22112211110010 is an abundant number, since it is smaller than the sum of its proper divisors (40513757910150).

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

22112211110010 is a wasteful number, since it uses less digits than its factorization.

22112211110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2055 counting only the distinct ones).

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

Adding to 22112211110010 its reverse (1001111221122), we get a palindrome (23113322331132).

The spelling of 22112211110010 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred ten thousand, ten".