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221000211122102 = 219139397105391063
BaseRepresentation
bin110010001111111110011111…
…000101000100011110110110
31001222111102011200210002210022
4302033332133011010132312
5212431331413021401402
62102010032335125142
764356511152524666
oct6217763705043666
91058442150702708
10221000211122102
1164465732795455
12209533a36737b2
1396412cc4bac69
143c806783641a6
151a83ac8e912a2
hexc8ff9f1447b6

221000211122102 has 32 divisors (see below), whose sum is σ = 352343405164800. Its totient is φ = 103669393611168.

The previous prime is 221000211122063. The next prime is 221000211122107. The reversal of 221000211122102 is 201221112000122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000211122107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50598578 + ... + 54792485.

It is an arithmetic number, because the mean of its divisors is an integer number (11010731411400).

Almost surely, 2221000211122102 is an apocalyptic number.

221000211122102 is a deficient number, since it is larger than the sum of its proper divisors (131343194042698).

221000211122102 is a wasteful number, since it uses less digits than its factorization.

221000211122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105391620.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221000211122102 its reverse (201221112000122), we get a palindrome (422221323122224).

The spelling of 221000211122102 in words is "two hundred twenty-one trillion, two hundred eleven million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 19 38 139 278 397 794 2641 5282 7543 15086 55183 110366 1048477 2096954 105391063 210782126 2002430197 4004860394 14649357757 29298715514 41840252011 83680504022 278337797383 556675594766 794964788209 1589929576418 5815795029529 11631590059058 110500105561051 221000211122102